Christina Aguilera & Jessica Alba: Jay-Z Concert!

Celebrities came out in full-force to support Jay-Z at his concert held at the Staples Center on Friday night (March 26) in Los Angeles.

Trey Songz was the opening act for the night. When Jay-Z performed “On to the Next One,” Swizz Beatz came out as a surprise guest.

Here’s who attended: Christina Aguilera (with husband Jordan Bratman), Jessica Alba (with husband Cash Warren), Ashlee Simpson (with husband Pete Wentz), Tobey Maguire (with wife Jennifer Meyer), Ryan Phillippe, Paris Hilton, Nicky Hilton (with boyfriend David Katzenberg), Taye Diggs, David Arquette, Ice Cube, Craig Robinson and Tia and Tamara Mowry.

15+ pictures inside of all the celebs at Jay-Z concert…