LOS ANGELES, CA - SEPTEMBER 29: Actor William Shatner (L) and Elizabeth Shatner attend The Los Angeles Philharmonic 2015/2016 Season Opening Night Gala at the Walt Disney Concert Hall on September 29, 2015 in Los Angeles, California. (Photo by Alberto E. Rodriguez/Getty Images)

William Shatner and his wife, Elizabeth, are filing for divorce. According to TMZ, the couple has no kids and they have a prenup, so the process should go smoothly. Per the prenup, neither will receive spousal support.

William Shatner is estimated to be worth an estimated $100 million.

William, 88, and Elizabeth, 61,  have been married for 18 years. This is the actor’s fourth wife. He was previously married to Nerine Kidd, Marcy Lafferty, and Gloria Rand. This was Elizabeth’s second marriage.