Jessica Sager

UPDATE: Check out Beyonce + Jay Z's Grammy performance here! Beyonce and Jay Z will collaborate onstage at the 2014 Grammy Awards tomorrow night (Jan. 26), and now we know what hip-hop's power couple will perform! Well, maybe.

Justin Bieber is finally leaving South Beach and heading home to Los Angeles after what's been, at best, a tumultuous stay in Miami. And rumor has it Biebs isn't looking forward to landing.

Poor Pauly D! The 'Jersey Shore' alum fathered a lovechild with a Hooters waitress, and now he's got some baby mama drama brewing. Sources close to the tan-happy reality star say that his daughter's mother won't allow him to see the tyke.

Congratulations to Big Time Rush singer Carlos Pena Jr. and Alexa Vega! The couple tied the knot yesterday (Jan. 4).

Just when you didn't think Kanye West could shock any further, he went and did something truly surprising: He promised to shut up.

Bruno Mars is stoked for his Super Bowl 2014 performance -- but he's also incredibly, admittedly nervous. When you keep in mind that it's the Super Bowl, it's understandable, but when you remember that it's Bruno Mars and that he always puts on a fantastic show without the need for shock value, well, you begin to wonder why he's so scared.

Selena Gomez took some time off to focus on her health after revealing she's suffering from lupus ... and she also used some of that time off to rock out to Britney Spears, who is famously her idol. And she looked so good doing it that even Rihanna complimented her!

Haters to the left! Britney Spears showed she's back in a big way -- and in fighting shape -- at her Piece of Me debut performance last night (Dec. 27) in Las Vegas.

Congratulations to actress Gabrielle Union and Dwyane Wade! The couple of four years just got engaged -- and what a rock!

Is Britney Spears calling it quits after 'Britney Jean?'

Demi Lovato is a hair and style chameleon, but she always manages to look like herself -- she's never forcing anything. Aside from her multitude of looks, she also has multiple talents ... and multiple issues that eventually led to rehab. She opened up about everything to Nylon.

Hell hath no fury like Kelly Clarkson scorned! The original 'American Idol' just married Brandon Blackstock in October and seems blissfully happy -- so she didn't take lightly when rumors hit the 'net of Blackstock creeping around with lessers.