Eileen, 60, shared the hilarious footage on her Instagram.
She wore a black and white polka dot dress, high heels and a sexy updo.
"Show me the money!" she screamed before jumping into the pool fully clothed.
Eileen called this stunt a "prop bet," referring to her new movie 7 Days to Vegas.
Fans of the former RHOBH star will be happy to see the film as it costars her hunky husband Vincent Van Patten.
The longtime couple celebrated their 16th wedding anniversary in April 2019 with an intimate dinner outing.
They've been enjoying life since the milestone celebration. Vincent, 60, serenaded Eileen at her 60th birthday bash in June.. Vincent, 60, serenaded Eileen at her 60th birthday bash in June.
Eileen and Vincent have also enjoyed a myriad of summertime outings including a sweat-filled day at Six Flags on Sunday, July 14.
What are your thoughts on Eileen's funny clip? Sound off in the comments!