Buzz Bites -- 11/7/2008: Madonna Gets Britney Spears, Justin Timberlake In The Exact Same Place At (Almost) The Exact Same Time!

+ Justin Timberlake and Britney Spears both took the stage during Madonna's Sticky & Sweet concert last night. Just, you know, not together. Britney swung by to help the Madgers perform "Human Nature," but peaced out before her ex, JT, had finished electrifying the crowd with "4 Minutes." (MTV News)

+ Meanwhile, Justin Timberlake refuses to answer any questions involving the words "Jessica Biel" and "wedding bells." Touchy! (Usmagazine.com)

+ Okay, everyone's got baggage -- but Mariah Carey has A LOT more than most. The singer reportedly took no less than 27 pieces of luggage with her for a three-day trip to England. (Scandalist)

+ Amy Winehouse apparently skipped out on her early-morning makeup sesh ... again. (WWTDD)

+ Although rumors swirled that Rihanna fainted backstage at an Aussie gig over the weekend, the "Umbrella" singer's rep swears she's "perfectly healthy." (MTV News)

+ Kevin Jonas still can't believe he turned 21 years old. And neither can we! Good thing the Jo Bros don't play by Menudo's rules ... (Usmagazine.com)

+ Diddy celebrates his 39th b-day by wearing ping-pong-sized diamonds and refusing to party with anyone -- except those in "presidential attire." (Remote Control)

+ Fueled by the passage of Prop 8 (an amendment banning gay marriage) Christina Aguilera spoke out in favor of same-sex couples' right to wed. (MTV News)

Tags Amy Winehouse, Britney Spears, Christina Aguilera, Diddy, Jessica Biel, Justin Timberlake, Kevin Jonas, Madonna, Mariah Carey, Rihanna