05/02/2012 at 09:00 AM EDT
said her stint on Dancing with the Stars
made her "feel like Barbie,"
but even the former Girls Next Door
star occasionally struggles with body image issues.
"I think my right butt cheek is bigger than my left butt cheek," Wilkinson, 26, Tweeted
"Oh and my right boob is sooo much bigger than my left boob. I'm so off. Lolol," she also wrote.
It's not the only recent instance of Wilkinson being harshly self-critical. In May, the reality star told PEOPLE
, "I have no talent. I have nothing to offer."
One thing Wilkinson seems content with? Her husband
, Hank Baskett, and their 2½-year-old son
, Hank, Jr.