Davidson's newfound contentment was evident on Tuesday when he and David attended the Natural Resources Defense Council's Stand Up For The Planet Benefit gala in Los Angeles.
The couple stopped to talk with Et's Lauren Zima, and the 23-year-old comic couldn't have been sweeter about his ladylove.
"She's the most beautiful girl in the world, look how lucky I am. She's so smart, look how smart she is," Davidson marveled. "She is a very, very wonderful lady."
Watch: 'SNL's Pete Davidson Says He's 'Happy and Sober for the First Time in 8 Years' in Emotional Instagram Post
His 23-year-old girlfriend, who is the daughter of Seinfeld co-creator and frequent