Now We Know Which 'Wife Keeps Lisa Rinna Accountable for Those Insane Abs

The Real Housewives of Beverly Hills crew has been serving serious bikini inspiration lately, with one snap after another showing off their fabulous beach style. (Being from Beverly Hills, they do know how to slay while soaking up some sun.) But, while we love Lisa Rinna's sexy, pink-and-white-striped bikini in her latest picture, what we're really marveling over is how incredibly fit this woman is! 

Now, it's no secret that Lisa has an incredibly buff bod. But we still found ourselves tempted to slow clap when we saw just how sculpted her abs are in this snap. Work it, Lisa! 

And work it she does — or work out, we should say. It takes some serious gym time to get that fit, and Lisa has just the workout gear to keep her inspired. The RHOBH pal recently showed off a top bearing the face of another fierce Beverly Hills 'Wife ... 

Photo: Lisa Rinna/ Instagram

It's Erika Jayne! So, now we know who keeps Lisa accountable.