Justin Theroux and Jennifer Aniston are proving that you can stay friends with your exes long after a breakup.The actor took to Instagram on Wednesday, December 1 to give his ex-wife a friendly shoutout while also giving her haircare products a positive review.“Thank you b. & @lolavie,” he wrote over a photo of him holding the perfecting leave-in from Jennifer’s LolaVie beauty line, saying that the product “works.”Even though the former couple called it quits in 2018, Jennifer and Justin have