Jennifer Aniston and Justin Theroux may not be together anymore, but they can still join friends in a celebration.
The two stars were both in attendance, separately, at Jimmy Kimmel‘s one-year-old son Billy‘s birthday party on Saturday (April 21).
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It’s not known if the two mingled at the event.
Justin posted pictures of himself with Billy on Instagram on Sunday (April 23).
“Happy ONE year birthday Billy!