Celebrities including Hugh Jackman, Kate Beckinsale and Jamie Oliver have praised Colin Firth after his 'Best Actor' victory at the 83rd annual Academy Awards.Jackman, who hosted the Oscars in 2009, expressed an interest in working with the King's Speech star.Speaking to Daybreak's Kate Garraway on the Vanity Fair party red carpet, he said: He was terrific, and [it's] a great film.