Meet Dove Cameron’s lookalike sister, Claire Hosterman – who’s a vocal coach: the ‘Too Much’ singer’s sibling has worked with clients featured in The Voice as well as Netflix, Nickelodeon and Disney

The sisters appear to be close, with Hosterman sharing pics with her sister and supporting her music on Instagram, where she’s collected nearly 60,000 followers
Dove Cameron took to the stage to perform her song, “Too Much”, at a Coachella after-party in April, as reported by Reuters.

The rising singer-songwriter, 29, sang her 2025 hit at the Nylon House party, which often features performances from up-and-coming artists.

Dove Cameron has come a long way since her Disney Channel days. But what do we know about her lesser-known sister, Claire Hosterman?
Claire Hosterman is a vocal coach

While her sister is a famous singer, Hosterman is also in the music biz.
She works as an international singing coach and has trained in cities like Seattle, New York, Los Angeles and Paris, according to her website.