What Demi Lovato's younger sister who starred in Desperate Housewives looks like now

In case you weren't aware Demi Lovato has a younger half-sister, Madison, who's 16 years old.

Despite being 9 years apart the two are obviously very close and Madison has been by her side for many glittering red carpet events.

And just by looking at Madison's Instagram profile, you can see just how similar the two sisters are! 

Although we'll all remember the young Madison who starred in Desperate Housewives, she definitely has grown up and is an absolute stunner!