Travis Barker, Kourtney Kardashian join Megan Fox to celebrate Machine Gun Kelly's birthday ANI | Updated: Apr 24, 2021 21:41 IST Washington [US], April 24 (ANI): American singer Machine Gun Kelly celebrated his 31st birthday with girlfriend Megan Fox and their friends Kourtney Kardashian and Travis Barker. The 'Drunk Face' singer took to Instagram and posted a series of photos and videos with friends celebrating Another Trip Around The Sun on Thursday -- including a snap with Fox and their friends Kourtney and Travis. In one of the photos, the two couples pose together while out to dinner at a restaurant. Machine Gun Kelly paired it with several other selfies of himself with his close friends.