The 'Butterfly Effect' hitmaker's partner Kylie Jenner gave birth to the couple's first child on Thursday , February 1, and Travis is overjoyed by the baby's arrival.
He wrote on Twitter: "2.1.18 ... 4 ever ... New rager in town. !!! (sic)"
Messages of support flooded in for the star, with Twitter soon filling with congratulatory messages for the pair.
New rager in town. !!!
Kylie took to social media earlier to reveal she had given birth to a baby girl as she explained why she was off social media for so long.
She wrote: "I’m sorry for keeping you in the dark through all the assumptions. I understand you’re used to me bringing you along on all my journeys. My pregnancy was one I chose not to do in front of the world...Thank you for understanding."