When Demi Lovato her made Thursday night, it seems that in addition to wooing Naya Rivera's Santana, her performance also won the hearts of Gleeks and Lovatics everywhere.

During the episode, Santana first encounters Dani (Demi) at the NYC diner where they both work. Santana's immediately attracted to her and gets "weird panic sweat."

And it isn't just the two ladies who can feel the chemistry, as Lea Michele's Rachel Berry is quick to play matchmaker. They eventually sing the Beatles classic and share a first kiss.

Their love story already has fans swooning.

"Watched Demi on Glee and X Factor last night. I LOVE HER SO MUCH!" @superstar1121 wrote. "She is literal perfection!"

@nind__ added, "ok usually i dont tweet during glee but DEMI IS FREAKING CUTE CANT HELP IT." @tomlinhaunt had a similar reaction, sharing, "bUT DEMI LOOKED SO HOT ON GLEE LAST NIGHT LIKE DAMN."

Demi is slated to appear on the Fox sitcom for a multi-episode arc, which is likely to pick up when the show resumes its hiatus after the Cory Monteith tribute episode airs on October 10. Judging by the overwhelmingly positive response to Demi's work, fans are excited to see what's next for the couple, who go by "Dantana."

@tweetlecee commented, "demi lovato on glee is almost as good as pumpkin flavoring in beer."

"Demi lovato in glee omfg I love her so much," @SophHeartbeatGA wrote. "and im dead aosndjwoekw."

Britney Spears is taking her own advice: You want a hit album? You better work, bitch.

Just like she says in her smash single, Brit is working overtime to finish the follow-up to Femme Fatale, and as manager Larry Rudolph explained to MTV News, she's entering the home stretch ... and determined to have the album out by December.

"We're getting close to being finished, we're probably three or four songs away," Rudolph said. "We did a listening session the other day, just to take stock of everything we have, and it's just one song after the other, it's amazing, it's really good. I know she can't wait for her fans to hear it, too."

Earlier this year, frequent collaborator will.i.am said that he's challenging Spears to get deep on the new album — "We need to talk about what she's excited about in life. We gotta talk about the things that hurt her," he told Rolling Stone. "We can't do another song about going on the dance floor." — and, from the sound of things, she rose to the occasion. To hear Rudolph explain it, Britney's new music takes her to places she's never been before, and the result is nothing sort of a dramatic reinvention.

"The album definitely is not just 'Work Bitch.' This is a situation where there are multiple, multiple layers, things like you've never heard from her before," he said. "There's a lot that fans expect, but a lot that they don't ... She's written on every song on the album, which is a first ...

Lauryn Hill is set to be released from prison on Friday, after serving a three-month sentence for tax evasion ... and she's coming out with her defiant streak intact.

She's just premiered a brand-new track, recorded in part before she entered a federal prison in Danbury, Connecticut back in July, then completed via phone calls and emails while she served out her term. And, as you can probably gather from its title, Hill's got plenty on her mind.

Over skittering drum pattern that repeatedly expands and contracts, Hill rails against "corporate greed in Jesus' name," and takes shots against "ageism, sexism, racism, fascism and neo-McCarthyism." Flutes and keyboards blur into a stony haze, Hill's voice echoes, as if she's preaching from the pulpit, and a ghostly choir lends their affirmations to the din. There's alsothe song's rather pointed sub-title, "Part One: Letters From Exile," which suggests she's been stewing away this entire time, and now, there's no one who can silence her.

In terms of sonics and sentiments, it's similar to the track she premiered days before being sentenced, and much like she did with that song, she penned an open letter that accompanied "Consumerism's" release, one that explains the space she was in — both mentally and physically — when she wrote her lyrics, and lays out her intent to bring her message to the masses.

"I felt the need to discuss the underlying socio-political, cultural paradigm as I saw it. I haven't been able to watch the news too much recently, so I'm not hip on ...

Not even Batman and a pop star stand a chance against Sandra Bullock.

Director Alfonso Cuaron's 3-D sci-fi epic should crush the box office this weekend, buoyed by a buzzed-about performance from Sandra Bullock in a lead role previously attached to Angelina Jolie and Natalie Portman. "Gravity" should take down between $40 million and $45 million, according to box-office forecasts. "Gravity" wowed audiences at the Venice Film Festival and has racked up a beyond-impressive 90 percent critical average on Rotten Tomatoes.

It's something of a former Batman/future Batman matchup this weekend. George Clooney donned the cape and cowl in 1997's ill-fated "Batman & Robin" and Ben Affleck will suit up for 2015's "Man of Steel" sequel. Clooney stars opposite Bullock in "Gravity"; Affleck is a shady gambler opposite Timberlake's Princeton grad in "Runner Runner."

Anthony Mackie recently joked with MTV News that he joined the "Runner Runner" cast in order to slap Timberlake around, but unfortunately for both of them, film critics have been beating up on the movie itself. "Runner Runner" sat on the opposite end of the Tomatometer going into the weekend with a very "rotten" 9 percent critical average. The movie "takes us inside the world of Internet gambling, which proves every bit as fascinating as you'd imagine, by which I mean, not at all," wrote Liam Lacey at Globe and Mail. "Runner Runner" will likely open at #3 with around $10 million.

"Gravity" carried a reported production budget of $80 million and will undoubtedly give writer/director Cuaron his biggest opening weekend ever, behind 2004's "Harry Potter ...

continued its Four-Chair Challenge elimination round on Thursday, trying to wring as much drama as possible out of people competing for the chance to sit down.

At the opening of the episode, Girls mentor Demi Lovato had already filled her four available seats, giving them to Bree Randall, Khaya Cohen, Jamie Pineda and Ashly Williams. But six singers had yet to perform, so there was bound to be some switches. 4 Chairz, ladies and gentlemen!

First up was 19-year-old Simone Torres of Long Island, whose version of "A Change is Gonna Come" was knocked as "so bad," "so karaoke" and "so wedding-y" by Simon Cowell. But Lovato felt she had potential so she sent her through, giving her the chair previously filled by Bree Randall. Sorry, Bree!

Danielle Geimer of Northridge, California — fun fact: Her career backup plan is neurosurgery! — "sang her face off" (those were Kelly Rowland's words) while taking on "Georgia on My Mind." Cowell praised her for being humble and shy, and Lovato decided she had to have the 15-year-old in her final four. So Torres, who had sat down just minutes ago, was asked to give up her chair to Geimer. Which somehow probably made Bree Randall feel even worse.

By this point, Lovato had let six of six singers into her "final four," but Rylie Brown broke the streak with her bland country version of Robbie Williams' "Angels." Cowell told the 16-year-old he felt like her mother had chosen everything about her performance, from her song to her wardrobe, and Lovato said despite her ...

The critics all agree: "

In the movie, Sandra Bullock and George Clooney play two astronauts stranded in space when an accident destroys the tether to their space shuttle. Left adrift, and with time and air running out, they must figure out a way to save their own lives -- if that's even possible in the cold blackness of space.

Though critics did have some small quibbles with mostly play-by-the-numbers script, on a whole, they're dazzled by the incredible special effects and use of 3-D. Most had to invent new superlatives, and resorted to new ways of saying, "It was really cool," over and over, but sounding smart about it. "Gravity," it seems, is a triumph of spectacle, and demands to be seen in movie theaters. That is, if you can handle the 91 minutes of abject terror. Check out a rundown of critics' thoughts below:

Incredible 3-D
" 'Gravity' treats 3-D as essential to the information it wants to share. The reason for that is summed up in the title, which names an obvious missing element. Nothing in the movie — not hand tools or chess pieces, human bodies or cruise-ship-size space stations — rests within a stable vertical or horizontal plane. Neither does the movie itself, which in a little more than 90 minutes rewrites the rules of cinema as we have known them." — A.O. Scott, The New York Times

Sandra Bullock Owns The Screen
"...it's Sandy's movie. She's our most down-to-earth A-list superstar, which makes her the perfect person to connect with us in outer space. At first ...