Sofia also shared another, more introspective Instagram post in honor of the occasion. "18 was all about finding myself and 19 is all about loving myself," she wrote. "Thankful every morning I wake up and get to spend time with the people I love. Today's a good day."Instagram contentView on InstagramRelated: cd6105 family has long speculated that the ending of the show might not be the end at all. Last year, host Ryan Seacrest cd6105 Chilling Adventures of Sabrina: A Midwinter's Tale cd6105 I'm influenced by everything I listen to on a subconscious level. During the creative process I go with what strikes a chord. I'm not intentionally channeling any particular sound but I think you can hear my influences when you listen to the music. cd6105