Justin Theroux back motorcycle

Jennifer Aniston certainly loves the biker boys! Hopefully beau Justin Theroux's love for motorcycles isn't reminding her of ex-hubby Brad Pitt, who recently announced his engagement to Angelina Jolie!

Justin was spotted riding around Beverly Hills on Friday, and while the former Friends starlet wasn't tagging along for the ride, we're sure she was on Justin's mind! And speaking of that, will we ever see her on the back of one of his bikes? She doesn't really seem like the type...