Little Bronx Wentz knows where the party's at! Ashlee Simpson and Pete Wentz brought their very excited son Bronx to a day party in L.A. on Sunday. And it looks like Bronx may be a bit of a reality TV fan because former Hills cast member Lauren Conrad joined the group as they made their way along with the some other stars into the party![gallery nid="41020"] OK! GALLERY: ASHLEE & PETE SHARE PARENTAL RESPONSIBILITIES OF BRONX As Ashlee, Pete and baby Bronx made their way to the car to pack things up, Bronx couldn't contain his excitement ... Read More >>