Jennifer Lopez and Ben Affleck: Inside Her 'Elaborate' 50th Birthday Party With Their Children

Jennifer Lopez celebrated Ben Affleck's 50th birthday on August 15 with a "elaborate" party.

 The newlyweds, who married in a surprise wedding in Las Vegas on July 16, continued the celebrations as Ben celebrated his milestone birthday.

"By bringing the kids to NYC for Ben's 50th birthday, J.Lo and Ben were able to kill two birds with one stone,

a source EXCLUSIVELY told HollywoodLife after the married couple was spotted in the Big Apple with all of their children.

All three of Ben's children with Jennifer Garner were present, including Violet,

16, Seraphina, 13, Samuel, 8, and Jen's twins with ex Marc Anthony, Emme and Max, 10.