Louis Tomlinson & Ally Brooke Catch Up As Simon Cowell's Walk of Fame Star Ceremony

Louis Tomlinson catches up with Ally Brooke during Simon Cowell‘s Hollywood Walk of Fame Ceremony on Wednesday (August 22) in Los Angeles.

The two singers were there to support Simon, who helped them break into the music business on X Factor.

Louis will also be working side by side with Simon as a judge on the British version of the show this fall.

PHOTOS: Check out the latest pics of Louis Tomlinson

Former AGT champion singer Grace VanderWaal and boy band PRETTYMUCH were also at the ceremony.

If you missed it, get the scoop on Ally‘s upcoming solo music on JJJ!

10+ pics inside of Louis, Ally, Grace and PRETTYMUCH…