On her first day at Columbia, Blair (Leighton Meester) attempts to gain membership into an ultra-exclusive social club, Hamilton House, but she’s in for a few big surprises. Serena (Blake Lively) begins to suspect that Juliet (guest star Katie Cassidy) …

Katy Perry was on Saturday Night Live last night, September 25, 2010 where she performed her hit songs California Gurls and Teenage Dream. Check out the clips below:
Katy Perry ‘California Gurls’

Katy Perry: ‘Teenage Dream’

Last night marked the Season 36th Premiere of SATURDAY NIGHT LIVE, featuring host AMY POEHLER and musical guest KATY PERRY – and we’ve got all the highlights.
Some stand-out moments include monologue cameos by Justin Timberlake, Tina Fey, Jimmy Fallon and …

Katy Perry appeared on Saturday Night Live as the musical guest but also appeared in a skit where she wore a very revealing Elmo t-shirt.  That’s one way to address the controversy surrounding Perry’s appearance on Sesame Street.
Check out the clip …

Saturday Night Live premiered last night, September 25, 2010 with Amy Poehler returning to her roots to host the event. 
The real talk of the night was the surprise appearance by New York Governor, David Paterson, who has been the butt …

Jimmy Fallon as Justin Bieber reflects by a pool of water on life, love, and JFK.