@MarioLopezExtra wants YOU to win a trip to the #iHeartRadio Music Festival 2014 in Las Vegas! 1. Post a 15-second video on Instagram telling us why you want to go using the hashtags #iHRvegas and #contestentry! πŸŽ₯ 2. Go to bit.ly/insta_contest to submit your video! πŸ’» 3. Tell your friends to enter! πŸ“± (at iHeartRadio HQ)