Christina Milian

Every day there’s a new celebrity announcing her pregnancy—then hitting the runway or the red carpet only a few weeks after giving birth. How’d they do it? We’ll never really know, so here’s our nod to the fastest post baby slim downs.

Plus, Iggy Azalea spotted down under, Kylie and Tyga reunited and more.

Sounding so disappointed, but looking so good, Christina quietly sings "One day I'ma learn" - and we can all relate.