Openly gay celebrities Johnny Weir and Martina Navratilova are among the celebrities set to appear on the upcoming 7th season of the NBC reality competition Celebrity Apprentice, which is hosted by real estate mogul and television personality Donald Trump.

According to, also set to appear are television personality Kate Gosselin (Jon & Kate Plus 8) and actor Ian Ziering (Beverly Hills, 90210). The 49-year-old Ziering last year made headlines when he joined the Chippendales for a brief stint in Las Vegas.

Actor-singer David Hasselhoff (Knight Rider) is considering joining the cast.

Most recently, Weir, a former Olympic figure skater, appeared on the small screen as a commentator for NBC at the Sochi Winter Olympics, where he made headlines with his fashion sense.

(Related: Johnny Weir compares male athletes to batteries.)

Tennis legend Navratilova has made two previous reality show appearances. In 2008 she competed in the UK version of I'm a Celebrity … Get Me Out Of Here! and in 2012 she partnered with Tony Dovolani on ABC's Dancing with the Stars.