Hilary Duff didn't hold back at The Grove in Hollywood yesterday — she looked just as pleased and proud as anyone debuting their first book would be! Hil smiled her way through interviews and then signed copies of Elixir at the Barnes & Noble, with an outfit change in between appearances.
Her big grin spoke volumes about her excitement over becoming a first-time author.
Not only has she just embarked on her career as a writer, she's also joined many fellow celebs in starting her Twitter account. The sky's the limit, it seems