Paltrow and her pal Tyler stay close at a screening of Iron Man in New York City. Plus: Hilary & Haylie, Lindsay & Samantha, Eva Longoria Parker and more

BACK TO 'SCHOOL'

Nick Lachey scouts out the talent at a casting call for the reality show High School Musical: Summer Session in Long Beach, Calif., on Sunday. The singer will host the ABC program, which will spotlight aspiring Ashleys, Zacs and Vanessas competing to be a part of the HSM phenomenon.