Earlier this week, the 52-year-old took to Instagram to share the monologue Lipa performed while guest hosting "Jimmy Kimmel Live!" amid his summer hiatus.
The "Future Nostalgia" star, 24, joked about her music, her previous prank against Kimmel, her Harry Potter house, and her tattoos during the monologue - but one fan was less-than-impressed.
"Women still aren't funny," the troll wrote.
Firing back, Kimmel quipped, "Maybe if one talks to you someday you'll change your mind."
"Well he's not my husband, but that sounded cool when you said it," Stefani joked as the "Physical" hitmaker brushed off the error.