Overview: John Barrowman hosts the final show of the all-singing, all-dancing series. There are wall-to-wall wishes as Strictly Come Dancing's James Jordan performs a dream waltz with deserving breast cancer charity fundraiser Becky Measures. Meanwhile, seven-year-old Georgia Cocking becomes the youngest cast member of High School Musical for the night, and 19-year-old Catherine Rhatigan trips the light fantastic with the cast of Lord of the Dance. Plus, Doctor Who fans are treated to the exclusive premiere of Russell T Davies' specially written Doctor Who scene, which sees the winning alien superstar take on Captain Jack himself.