and was the headline act at the AusSounds Australia Day Concert at the Brisbane Convention and Exhibition Centre. In March and April he was the support act for Lionel Richie's tour of Australia and New Zealand. He spent the next few months in the US, returning to Australia for The X Factor. On the first live show in September Sebastian sang "Who's That Girl" as part of a judge's medley. In November 2011, Sebastian performed at the ARIA Awards for the second year in succession, where he sang a medley of "Who's That Girl" and his most recent single "Don't Worry Be Happy". Singles "Who's That Girl" was released on 5 November 2010 and was Twenty Ten'''s only single in Australia. It reached number one on the ARIA Singles Chart and was the second highest selling Australian artist single in 2010, and the fifth highest selling one in 2011.Top 50 Australian Artist Singles 2011. Australian Recording Industry Association. Archived from the original on 2 February 2012. It won the Highest Selling Single ARIA Award in 2011 and achieved 5× platinum certification in 2014. This was his fifth of six number one singles and Sebastian is currently the only Australian male artist in Australian music history to achieve six number one singles, and he is third overall for all Australian acts. Only Kylie Minogue and Delta Goodrem have more. "Who's That Girl" also reached number one and platinum certification in New Zealand, his second number one single there. "Like It Like That" was released to radio in New Zealand as Twenty Tens second single there in early 2011, and peaked at number 30 on the New Zealand Singles Chart and achieved gold certification. Critical reception The album received positive reviews. Jamie Horne, a music reviewer with The Border Mail said, "The inaugural winner's longevity (he has released five albums) can be attributed to the fact that he's an accomplished musician and songwriter [...] A 10-track acoustic disc with the hits reworked (check the swinging take of Like It Like That) and a couple of newies including the dancefloor-ready Who's That Girl with US rapper Eve should make it clear that the former 'Fro' is not that uncool after all". David Lim, a music journalist and announcer on radio station Joy 94.9 wrote when reporting on the album's chart debut, "Twenty Ten – debuts at #9. Still not good enough. Take my