Season four of the United States version of So You Think You Can Dance ran from May 22, 2008, to August 7, 2008.
Joshua Allen was the overall winner of the Season 4 competition. He was partnered with Katee Shean for the first five weeks of the competition.
Rayven Armijo is a ballet dancer who was eliminated in week 1 along with Jamie Bayard.
Jamie Ray Bayard is a Latin ballroom and Swing dancer. He was partnered with Rayven Armijo who was also eliminated in the first week.
He was a childhood dance partner of Season 3's Lacey Schwimmer.
tWitch first auditioned in Season 2 and again in Season 3 before he was selected to compete in the Top Twenty in Season 4. He came second in the competition to fellow Hip-hop dancer, Joshua Allen.
In season 5, tWitch returned to So You Think You Can Dance with fellow season 4 contestant Katee Shean to perform their Emmy-nominated piece "Mercy", choreographed by Mia Michaels. He was one of the 11 "All Stars" for season 7.
Stephen "tWitch" Boss is a freestyle hip-hop dancer, entertainer and actor from Montgomery, Alabama.
In 2003, Boss was a semifinalist on MTV's The Wade Robson Project and a runner-up on the television talent competition Star Search.
In 2007 he was a "flamboyant dancer"(uncredited) in Blades of Glory and a Maybelle's Store Dancer in Hairspray.
After competing in So You Think You Can Dance, Boss went on to teach at South County Classical Ballet with fellow finalist Katee Shean. He has also choreographed for South Korean pop/R&B singer, Se7en.
On April 30, 2013, he and Allison Holker performed a dance routine on Dancing with the Stars. They danced to Crystallize, which was being performed live by Lindsey Stirling.
Since April 1, 2014, Boss has been featured on the Ellen DeGeneres Show as a guest DJ.
On October 1, 2014 he announced he had been cast for Magic Mike XXL.
Boss has been cast as Marcel X in the upcoming superhero movie Perfectus, and will later star in the movie Ushers. He is managed by Nelson Diaz.