Justin Theroux Shares a Teenage Throwback Photo, Proves He's Been Hot Forever

Justin Theroux joined Instagram this week and is already proving that he knows exactly what he's doing when it comes to social media. The sexy actor posted a throwback photo of himself as a teenager on Dec. 3, captioned, "#TBT SIXTEEN." In the snapshot, Justin is seen rocking his signature earrings and long sideburns while wearing a dark jacket and staring off into the distance. Jennifer Aniston's husband also posted a black-and-white selfie earlier this week as his first Instagram photo. See the throwback below, and then check out all the celebrities you should be following on Instagram.