Showing now | Culture01:33Robbie Williams and Gary Barlow lit up the Royal Albert Hall on Monday (1 June) as they reunited on stage for the first time in almost a decade.The former Take That bandmates joined Lulu at her London concert to perform a rendition of "Relight My Fire," a song the trio covered in 1993.Lulu was also joined on stage by Boy George and Australian Eurovision entrant Delta Goodrem.Profits from Lulu's sold-out show were donated to her charitable trust, Lulu's Mental Health Trust.