Justin Ravitz

As promised, Madonna joined Miley Cyrus onstage for Miley's MTV Unplugged concert taping; the pair sang and danced to a mashup of "Don't Tell Me" and "We Can't Stop" -- photo and details!

Miley Cyrus and one of her idols, Madonna, will indeed be performing together for Miley's MTV Unplugged special, which tapes on Tuesday, Jan. 28, sources confirm to Us Weekly

After 27 years together, Real Housewives of New York's Ramona Singer has separated with husband Mario, two sources confirm to Us Weekly; the warring pair recently had an ugly dispute at their shared Hamptons home

Daft Punk's all-star performance of "Get Lucky" (featuring Stevie Wonder) had everyone dancing in the audience; see Beyonce, Yoko Ono, Paul McCartney and others get down!

Taylor Swift gave a different kind of surprise face at the Grammys 2014, when she briefly, mistakenly thought she won the Album of the Year award -- see the priceless GIF!

Beyonce and Jay Z opened the Grammys 2014 with a super-sexy, intimate performance of Bey's raunchy "Drunk in Love" from her smash fifth album

Grammys 2014 performer Madonna brought her son David, 8, as her red carpet date, and the duo wore matching Ralph Lauren tuxedos -- see the adorable picture!

Pam Dawber reunites with her Mork & Mindy husband Robin Williams for a guest-starring stint on Williams' The Crazy Ones; "it's a dream come true," Williams says

Kurt Russell, who plays a father figure to the late Paul Walker's character in Fast and Furious 7, admits that reworking the script after Walker's death has been "catastrophic"

Selena Gomez talks about her "really bad breakup," needing a man who's "not threatened" by her, feeling like an "underdog" among other Disney stars, and her feud with Lorde

Jennifer Lawrence suffered the ultimate Homeland spoiler shock as she met Damian Lewis at the SAGs -- watch the hilarious video now (serious spoiler alert!)

After 21 years on beloved soap opera Days of Our Lives, Alison Sweeney announces she's leaving the series; "Sami probably deserves a twisted Breaking Bad ending," the actress jokes

Confirming weeks of rumors, Beyonce and Jay Z are both confirmed to perform at the 2014 Grammys next Sunday, Jan. 26 -- and, a source tells Us Weekly exclusively, the spouses will perform together

Brad Pitt hit the Producers Guild Awards Sunday, and explained that his sexy, short new haircut is "not a choice!" -- find out what else Angelina Jolie's man said

In a free-wheeling cover story with Interview magazine, Kanye West looks back on his Taylor Swift MTV VMAs scandal; to get over it, he turned to "God,

At the Producers' Guild Awards Sunday, Ben Affleck and another attendee joked about his "big d--k" -- recap the LOL jokes here

Lupita Nyong'O wore yet another showstopping dress at the Producers Guild Awards on Sunday, and got a kiss from Leonardo DiCaprio -- see the pictures and find out her red carpet prep secrets!

Big Bang Theory star Simon Helberg and his wife Jocelyn Towne are expecting their second child; see her bump debut on the SAGs red carpet!

Jimmy Fallon reveals that he warned Chris Christie about his planned Bruce Springsteen Bridgegate parody song -- get the details!

Accepting his Best Supporting Actor SAG Award, Jared Leto thanked his stunning mother and made a moving speech dedicated to HIV-AIDS victims and survivors

Wearing a sleek sequined gown at the SAGs 2014, Jennifer Lawrence complained of "armpit fat" and her "armpit vagina" -- plus, find out her explanation behind the Taylor Swift photo bomb