Why Justin Timberlake Hangs With His Exes ?

This specific photo must definitely be Justin Timberlake's scariest nightmare come to life: two of his famous exes bringing sexy behind his back IN THE SAME ROOM.

We're sure past girlfriends Britney Spears and Cameron Diaz are overjoyed for Justin and Jessica Biel's recent engagement ( Brit recently got a ring on her finger, too!), but we get the creeps even seeing this faux trio sharing the spotlight. Awwwwkward.

Madame Tussauds Wax Museum in Hollywood envisioned the "What Goes Around" singer's uncomfortable reunion and recently set up the wax versions of JT's exes confidently chilling over his shoulder. Popular peeps like Justin get their previous relationship failures immortalized for the world to see...