Celebrity | Mercede Johnston Levi Johnston's Sis Going Nude in Playboy Did you expect anything less? By Evann Gastaldo Posted Jul 14, 2011 10:31 AM CDT Copied Sherry Johnston, right, talks to her attorney Rex Butler, left, and her daughter Mercede Johnston, center, after changing her plea to guilty in a Palmer, Alaska court Wednesday Aug. 19, 2009. (AP Photo/Al Grillo) Like brother, like sister: Mercede Johnston is taking it all off for a nudie magazine. Mercede, 18, will appear in a four-page Playboy spread two years after brother Levi's butt was splashed all over Playgirl. The September issue hits newsstands Aug. 12, a spokesperson tells Us. In other Mercede news, she's still not a fan of Bristol Palin, having recently slammed Bristol's account of losing her virginity to Levi in a blog post that's worth a read. Read These Next A "horrific" incident killed 3 deputies in East Los Angeles. Sources say Trump's card to Epstein was signed in a strange place. This is why you don't wear metal in MRI rooms. Trump says Rupert Murdoch will pay for ignoring his demand. Report an error