Brand, who was married to Perry from 2010 to 2012, tweeted out his support for the pop star, writing: "Super Bowl may be baffling to Brits but half time show will be amazing. Good luck KP."
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Meanwhile, DJ and music producer Diplo, who reportedly had a fling with Perry this past April, couldn't get enough of the "ROAR" singer's performance. "Who's with me? Team Katy Perry #sp49," he tweeted moments before she showed up on the field on a giant mechanical tiger. "Ghost ride the tiger @katyperry."
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Diplo also seemed to enjoy Missy Elliott's contribution to the halftime show, tweeting: "Currently getting my freak on."
He added: "I won 200 dollars betting on Katy's hair color."
Perry wasn't the only Super Bowl act that got some love from her ex. Taye Diggs doted on his ex-wife and mother to his son, Idina Menzel, during her performance of the National Anthem. He tweeted: "Yup. Baby mama crushed it at the Super Bowl."
The Super Bowl XLIX brought everyone together!