Mumbai, Jun 17 (IANS): Priyanka Chopra says her father is her best friend, while Sonam Kapoor calls her dad her hero. On Father's Day Sunday, Bollywood celebrities took to micro-blogging site Twitter to express their feelings.

Priyanka Chopra: Happy Father's Day dad. You have set such high standards that no one can ever match up. Thank you for being my best friend. Love being your little girl.

Karan Johar: Fathers can be confrontational but have always been inspirational. Happy father's day to all.

Sonam Kapoor: My dad is my hero. Happy Father's Day to the coolest and best father in the whole world.

Ayushmann Khurrana: Happy Vicky Donor's day! Father's Day.

Genelia D'souza: Happy Father's Day to my dad who is my rockstar and the best. Hope you are making Father's Day special too tweethearts.

Dia Mirza: Happy Father's Day to all you fathers! You are your child's hero.

Maria Goretti: To my daddy, your daddy and all the daddys. Thank you daddy for always making me feel like daddy's special little girl. Happy Father's Day!

Pooja Bedi: Happy Father's Day to fathers, fathers-in-law and father figures.