He is of the mixed ethnicity of Italian, Scottish, Swedish, and English and has an American nationality. He was born as the youngest child and has one brother, John and one sister, Lauren.Colletti studied at Laguna Beach High School and after graduating he attended San Francisco State University.Stephen Colletti is currently dating Avery Schlereth.He has been in five celebrity relationships averaging approximately 2.2 years each. “No, no,” Chelsea told Billy Bush and Kit Hoover when asked if there was anything brewing with Mark, who she appears with in his steamy video for his song, “Hotwire.” She did, however, admit that Mark – who grew up in London – is a charmer, saying, “He is pretty smooth with that accent.” “You and Stephen Colletti? “Yeah,” she said with a laugh, confirming her relationship with the former “Laguna Beach” star and current cast member of “One Tree Hill.” “He is pretty cute, he’s a really good guy, we’ve been having fun together,” she said of Stephen, who has previously dated Lauren Conrad, Kristin Cavallari and Hayden Panettiere.But how does Stephen feel about Chelsea’s work in the video with Mark?He also appeared for two seasons on the MTV reality television series Laguna Beach: The Real Orange County.
Chelsea and her “DWTS” professional partner, Mark Ballas, stopped by Thursday’s show, where they laughed off rumors of a budding ballroom romance between them.Then he was in a relationship with Kristin Cavallari in 2001.After being several years in a romantic relationship with Cavallari, they got separated in 2004.As a teen, Stephen attended Laguna Beach High School in Laguna Beach, California.In 2004, MTV commissioned a planned reality television series Laguna Beach: The Real Orange County which followed the lives of wealthy teens and Colletti was asked to appear on the show.