KATY PERRY, JOHN MAYER TOGETHER AT ADELE CONCERT With Different Dates

 Katy Perry and John Mayer did what many of us couldn't do ... show up at the same concert after apparently breaking up ... each with a date.Katy and Orlando Bloom seemed stoked to be among the relative few who got to enjoy the Adele concert at the Wiltern in L.A.  John arrived with a new girl,

ADELE JENNIFER LAWRENCE, EMMA STONE AND CREW JAM OUT

GREAT CROWD!Twitter / TMZ.com

Adele doesn't just attract an audience -- she attracts crowds that are Oscar-worthy.

The singer performed Friday night at the Wiltern in L.A., and we got video of Jennifer Lawrence, Emma Stone, Woody Harrelson, Orlando Bloom, Tom Hanks & Rita Wilson all rockin' out to the music.