November 17, 2014 Katy Perry’s Boyfriend Welcomes Baby with Ex-Girlfriend Diplo, who has been linked to Katy Perry on and off since April, is a daddy again. The L.A.-based DJ, real name Thomas Wesley Pentz, and ex-girlfriend Kathryn Lockhart welcomed son Lazer Lee Pentz, reports Us Weekly. The little guy weighed in at 8 pounds, 10 ounces... and might be named after Diplo's electronic music project, Major Lazer. Diplo and Kathryn also have son Lockett, 4. #BabyNews #TrendingStories More Katy Perry Is Unrecognizable As Awkward Teen in 2001 Throwback Video! Is There 'Bad Blood' Between Taylor Swift and Katy Perry? What Britney Spears Had to Say About Katy Perry Impersonating Her at VMAs!