London, August 13 (ANI): Gary Barlow braved personal tragedy to perform in front of billions of viewers, just a week after losing baby Poppy.

The 'Take That' frontman officially closed the Olympics with their song 'Rule The World'.

Just when Gary stood proudly on the stage, people began tweeting their tributes, respect and admiration for the singer and his family.

Full of admiration for @GbarlowOfficial tonight, the Mirror quoted Kimberly Walsh as writing.

John Bishop: To be fair that final bit was class. @GBarlowOfficial - sometimes you meet people are better than you and he is up there. What an end.

Phillip Schofield: This is so brilliant. Tough moment for Gary, but beautifully done

Lily Cooper (Lily Allen): I don't know how Gary Barlow does it. #amazing hugest respect for @GBarlowOfficial

Denise Van Outen: so moving. Gary is amazing for doing this

Piers Morgan: I don't know how Gary Barlow's had the strength to do this tonight - RIP his poor little girl, Poppy.

Michelle Keegan: So much respect for Gary. #2012closingceremony

Holly Willoughby: Garry...don't know how to put it into words... Xxx

Chris Moyles : Go on @GBarlowOfficial !!!!

Lorraine Kelly: Ah - its the boyz - and a gorgeous song! Good on Gary Barlow for performing at such a tough time for him and his family

David Walliams : We love you Gary. Gary Barlow. A brave man. And a national treasure.

Ruth Langsford: God love Gary Barlow x

Total respect to Gary for being able to sing that tonight. #legend, Lee Brennan tweeted. (ANI)