Caitlyn Jenner might not be Hollywood royalty, but the former Olympic gold medalist, who also sired household names like Kylie and Kendall, is the biggest celebrity so far to unveil a run in California’s recall election. Recall backers have submitted 1,626,042 valid signatures, surpassing the 1,495,709 threshold needed to trigger a special election, the secretary of state’s office disclosed April 26.