Tony Bennett Falls Ill Ahead of Concert in London With Lady Gaga

Tony Bennett fell ill during a sound check prior to his concert with Lady Gaga on Tuesday, June 9, at London's Royal Albert Hall Credit: Douglas Gorenstein/NBC/NBCU Photo Bank via Getty Images

Tony Bennett fell ill during a sound check for his now-canceled concert with Lady Gaga on Tuesday, June 9. According to his Twitter account, he's sick with the flu.
  

Tony BennettVerified account ‏@itstonybennett

Sorry to not be singing in London tonight. I love my fans in the UK and appreciate all the well wishes to get over this flu quickly.