Niall Horan just met up with Demi Lovato's sisters, Dallas Lovato and Madison De La Garza! Demi is currently touring the country with The X Factor searching for talent, but she's been skyping with Niall. While in San Francisco, California with The X Factor, Demi's sisters got a chance to meet Niall, spilling afterwards, " Best day ever at the pier w/ @ambermontana111 and @Maddielovesyou1! Nice meeting u @NiallOfficial sry if I embarassed u." Niall is definitely getting to know the family!