“Don’t Be Tardy” Star Kim Zolciak Celebrates Her Birthday in a Pink Bikini

Kim Zolciak celebrated turning 42 Tuesday in her birthday (swim) suit.

Taking to Instagram, the “Don’t Be Tardy” star thanked her fans for their sweet birthday wishes as she posed poolside in a tiny pink bikini.

“I can’t believe today I’m 42!! Like holy s–t ..that use to be sooo old to me when I was in my 20’s now I know it’s young AF,” Zolciak captioned the sultry snap.