Tomlinson was joined by DJ Steve Aoki for their brand new collaboration "Just Hold On," which marks the 24-year-old's very first single as a solo artist. At the end of his performance, Louis was met with an incredible standing ovation and some kind words from former mentor and X Factor judge Simon Cowell.
"What you've just done, and the bravery. I respect you as an artist and I respect you as a person. Your mom was so proud of you Louis; she was so looking forward to tonight," Cowell told Tomlinson, who was fighting back tears.
"She's watching down on you now and you've done her proud,"
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