Kendra Quits [VIDEO]: Kendra Wilkinson Quits SPLASH, Former 'Playboy' Model Scared of Heights, Exclaims 'I'm So Sorry,' Before Crying

Former Playboy model and "Girls Next Door" star Kendra Wilkinson is typically courageous and ready to try new things, but when asked to dive from 23-feet on her latest reality show ABC's Splash, Kendra was not having it.

Kendra couldn't face the height. "I'm so sorry, everybody," Kendra said on Tuesday night Splash. "It's bittersweet. One thing I don't do is quit. This is the first time in my life I've quit something. This will haunt me for the rest of my life."

Kendra admitted that when she's high above, she starts "spinning, "wanting to throw up, shaking and [her] fingers wiggle," according to blogger Perez Hilton.

Kendra was paired with extreme skier Rory Bushfield, who had been advised by doctors not to compete after he ruptured an eardrum in practice, reported USA Today.

After the episode Kendra tweeted:

Damn I got a lot of hate tonight but ill take it.Big mistake signing up for the show. Sorry I let you all down.

— Kendra Wilkinson (@KendraWilkinson) April 3, 2013