GRAMMYS/ - Katy Perry “I Kissed A Girl” Inspired By Teen Friend

Singer Katy Perry performs at the 51st annual Grammy Awards in Los Angeles, February 8, 2009. REUTERS/Lucy Nicholson (UNITED STATES)

Singer Katy Perry performs at the 51st annual Grammy Awards in Los Angeles, February 8, 2009. REUTERS/Lucy Nicholson (UNITED STATES)

Blink-182 band member Mark Hoppus, Travis Barker, and Tom DeLonge present the Best Rock Album at the 51st annual Grammy Awards in Los Angeles, February 8, 2009. REUTERS/Lucy Nicholson (UNITED STATES)

Recording artists Justin Timberlake and T.I. (R) perform at the 51st annual Grammy Awards in Los Angeles, February 8, 2009. REUTERS/Lucy Nicholson (UNITED STATES)

Estelle (L) and Kanye West (R) perform at the 51st annual Grammy Awards in Los Angeles, February 8, 2009. REUTERS/Lucy Nicholson (UNITED STATES)

Singer Katy Perry performs at the 51st annual Grammy Awards in Los Angeles, February 8, 2009. REUTERS/Lucy Nicholson (UNITED STATES)

The Jonas Brothers, Kevin (L), Joe (2nd R) and Nick (R) perform with Stevie Wonder (2nd L) at the 51st annual Grammy Awards in Los Angeles, February 8, 2009. REUTERS/Lucy Nicholson (UNITED STATES)

Singer Jennifer Hudson performs at the 51st annual Grammy Awards in Los Angeles, February 8, 2009. REUTERS/Lucy Nicholson (UNITED STATES)