With the release of "Twenty Ten" Sebastian had completed the terms of his original contract with Sony, but re-signed with them for another long term contract. He supported Boyzone on their 2011 UK tour, and Lionel Richie on his Australian and New Zealand tour. They re-recorded Richie's 1983 single "All Night Long" to raise money for Australian and New Zealand flood and earthquake relief. The track was produced by RedOne. Richie and Sebastian performed the song together at most of the concerts on the Australian leg of the tour. It peaked at number twelve in New Zealand and number twenty six in Australia. Sebastian received the 2011 Australian Club Entertainment Award for best Original Music Performer, and a Mo Award for Rock Performer of the Year. He also won the Highest Selling Single ARIA Award for "Who's That Girl", and received nominations for Single of the Year, Best Pop Release and Most Popular Australian Artist. Sebastian continued as a judge on the 2011 "The X Factor". He mentored the Boys and was assisted in choosing his final three by Wynter Gordon and Beyoncé. Reece Mastin who was in his group was the winner.