LONDON, June 15 (Reuters) - British pop band Take That transformed London's Leicester Square into a concert stage on Thursday as they performed some of their tunes at the premiere of "Greatest Days", a film adaptation of their hit musical. A traumatic event pulls the fivesome apart but 25 years later they rekindle their friendship as they reunite for a show by the band. "I don't think it's hit home really what tonight actually really means for us," Barlow said on the red carpet. Barlow, Owen and Donald, who performed at a concert last month marking the coronation of King Charles, are executive producers on the film. Reporting by Hanna Rantala; Writing by Marie-Louise Gumuchian; Editing by Jonathan OatisOur Standards: The Thomson Reuters Trust Principles.

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Persons: Gary Barlow, Mark Owen, Howard Donald, Aisling Bea, Alice Lowe, Barlow, Owen, Donald, King Charles, we've, Robbie Williams, Singer Jason Orange, Hanna Rantala, Marie, Louise Gumuchian, Jonathan Oatis Organizations: Thomson Locations: London's, Europe