This week, the number of band members in Weezer increased fifty-fold when the band met up with 200 contest winners who scored the opportunity to jam with their favorite band. In fact, stars spent a lot of time in crowds this week, what with Madonna hanging out at Yankee Stadium and Mötley Crüe rolling through the streets of New York. Click below for these shots plus the rest of the week’s news in photos.

• Random Notes: Weezer, Pearl Jam, Madonna and the Week in Rock