09/07/2010 at 01:00 AM EDT
Making good on her pre-Dancing with the Stars season promise
, Bristol Palin
is literally encased in black lace for her newly-released publicity shot.
Definitely more modest than what fans are used to seeing the stars spin around the floor in – but still with a bit of skin exposed!
Palin, 19, calls herself “naturally shy" and wants to make sure she sets a good example for her son, Tripp, 20 months.