For those who didn't know that artistry is genetic, Demi Lovato's sister Madison de la Garza is a great example of how some things just run in the family - after her big break a few years back playing Eva Longoria's daughter in "Desperate Housewives," now Madison is stepping up to bigger things - and sister Demi's definitely got her back!

At 13 years of age, Demi Lovato's sister takes her looks from her "Cool for Summer" singer sibling, and now that she's just landed a new photo shoot at Seventeen Magazine, Demi spills the beans about how protective she is with her child actress little sis.

In the interview accompanying the photo shoot, Madison spoke at length about what it's like being Demi Lovato's sister, and these two beautiful ladies seem to be very close when the cameras are away - and it seems like Wilmer Valderrama's girlfriend is very protective of her little sis!

"I think when people say they wish Demi Lovato was their sister, they don't realize how hard it is to be related to someone who's constantly away on tour," said Demi Lovat's sister, according to The Daily Mail. "But she's good at making time for me. We text constantly, and whenever she sees a funny tweet, she'll screenshot it and send it to our family group message."

People Magazine reports that, in the meantime, even when she's not physically around, the singer's always telling Demi Lovato's sister to call her up whenever possible and tell her what's going on with her life, so Madison always knows Demi's there for her - a very sweet big sister approach to their relationship!

According to Us Weekly, 22 year-old Demi is also fiercely protective of young Madison, and Demi Lovato's sister recounts this one time last year when she posted a Vine of the two of them cooking and people started bashing her, which caused Lovato to furiously respond via Direct Message - Madison's actually the one who tells her not to pay attention to haters!