Sammi Hanratty & Stella Hudgens: Happy Birthday Madison!

Sammi Hanratty and Stella Hudgens stay together on the red carpet as they arrive at Eden Nightclub to celebrate Madison Pettis‘ birthday in Hollywood on Sunday night (July 31).

If you look closely, Stella is wearing big sis Vanessa‘s Pleasure Doing Business metallic strapless banded dress!

Sammi tweeted after the party, “SOOO much fun tonight seeing a bunch of really close friends at @madisonpettis22! I hope you had a wonderful birthday! <3<3"

Earlier in the day, the BFFs joined Lemonade Mouth star Blake Michael for some bowling.

Blake, who also just had a birthday — turning 15, tweeted, “celebrating my birthday with @MadisonPettis22. THIS PARTY IS GOING TO BE CRAZZZY LEGGO! :D”