J.LO, GWEN STEFANI TO ROCK 'AMERICAN IDOL'

'American Idol' is turning up the star power this season.The top-rated talent show announced Thursday that Jennifer Lopez, Gwen Stefani, Jon Bon Jovi, Martina McBride, Diana Ross and Barry Gibb would be among stars to appear. Sixties' stars Lulu and Peter Noone of Herman's Hermits will guest on British Invasion Night. According to 'Access Hollywood,' J.Lo has been tapped for the April 11 episode, and Gwen Stefani will pop in on March 28.