During her time on "Barney & Friends," Selena quickly became besties with fellow castmate Demi Lovato. These girls stuck by each other as they grew up in Hollywood. In addition to dating Jonas brothers, they worked together sporadically and even made their own YouTube show called "The Demi and Selena Show" where they answered fan questions. Selena stood by Demi when she went to rehab in 2010. Sadly, the two have since grown apart.
"Selena and I aren't as close as we used to be, but she'll always have a place in my heart," Demi recently told Self. Hopefully, these two can work through their problems and find each other again. Selena has said of her onetime BFF: "I love her. I completely love her, and her whole family to death. I will always talk extremely highly of her and I always have." And she clearly meant it, as evidenced by this photo of them at the 2011 Teen Choice Awards.