Oluchi Onweagba wears C-GIrl for Cala's Closet in the 2006 Swimsuit Issue of Sports Illustrated.

The bikini bottom separate that is featured is the Molly BIkini Bottom.  

It is moderate rear coverage brief that has 3 bias ruffle layers attached at the waist.

This bottom is fun and flirty.  

It can be matched with any of the bikini top separates from the C-Girl collection.

It is shown in Two Tone Pink.