Just Jared on Instagram: “Olivia Rodrigo celebrated her 19th birthday on Sunday night at a party with BFF Iris Apatow, plus Iris' new boyfriend Ryder Robinson (…

Olivia Rodrigo Dresses as a Sexy Cowgirl at 19th Birthday Party

Olivia Rodrigo Dresses as a Sexy Cowgirl at 19th Birthday Party

Olivia Rodrigo Had BFF Iris Apatow By Her Side at 19th Birthday

Olivia Rodrigo Had BFF Iris Apatow By Her Side at 19th Birthday

Olivia Rodrigo Had BFF Iris Apatow By Her Side at 19th Birthday

Olivia Rodrigo Had BFF Iris Apatow By Her Side at 19th Birthday

Olivia Rodrigo Dresses as a Sexy Cowgirl at 19th Birthday Party

Ryder Robinson and Iris Apatow go Instagram official with their

Olivia Rodrigo Had BFF Iris Apatow By Her Side at 19th Birthday