Buzz Bites -- 11/26/2008: Christina Aguilera Gets Parenting Pointers From Supermom Nicole Richie!

+ Singer/Lady Gaga impersonator Christina Aguilera admits she's undercover besties with Simple Life star/parenting pro Nicole Richie! "I’ve had the opportunity of getting to know [Nicole]," sez Xtina, "and I was blown away with how great of a mom she is...I actually ask her for advice." (Fox News)

+ Forget about getting her own spinoff show! Now the latest rumors have former Danity Kane singer Aubrey O'Day posing for Playboy! (MTV News)

+ Breaking! Someone at OK! magazine will "probably be fired" for accidentally spelling Ashlee Simpson's name the right/wrong way. (Dlisted)

+ Meanwhile, My Chemical Romance singer Gerard Way is on his Way -- er, way -- to becoming a dad. Sadly for Gerard, the name "Bronx Mowgli Wentz" is already taken. (Associated Press)

+ Ellen DeGeneres fuels rumors that Mariah Carey is pregnant by challenging the pop icon to a "champagne toast." Amazing?? (Newsroom)

+ Ay dios mio! Hills stars Heidi Montag and Spencer Pratt tied the knot in a top secret (and, arguably, not legal) Mexican ceremony last week. Catch the latest wedding-related deets plus find out if the nuptials will make it onto a future episode! (Remote Control)

+ Beyonce/Sasha's latest LP topped the album charts at #1 this week, with a little help from Justin "I Wore A Leotard And I Liked It" Timberlake. (MTV News)

+ And speaking of B, Miss Knowles might get to perform at Barack Obama's inauguration after all -- that is, assuming she's willing to share the spotlight with her hubby Jay-Z, Bruce Springsteen and Mary J. Blige. (NY Daily News)