Reinhardt is best known for his string of high-profile relationships and his appearance on MTV’s reality series “The Hills”. Reinhardt dated the star of “The Hills”, fashion designer and author Lauren Conrad, in early 2008. Soon after, he began dating actress Amanda Bynes for six months, though the relationship ended in the beginning of 2009. A month after his relationship with Bynes went south, Reinhardt began dating socialite and heiress Paris Hilton. He appeared on “Paris Hilton’s My New BFF” before the couple broke up for good in 2010 after an on-again, off-again relationship. Reinhardt was rumored to be dating actress Cassie Scerbo and Miss World USA Lane Lindell before announcing his engagement to fellow “The Hills” star Allie Lutz.