Madison Beer teases a peek at her taut tummy in cut-off top as she enjoys day out with leggy Cindy Kimberly in Beverly Hills

Their careers were both launched by Justin Bieber.

And Madison Beer and Cindy Kimberly looked to be enjoying the lifestyle of a pop star muse as they were spotted out in Los Angeles on Wednesday.

The stunning singer, 19, showed off her sculpted abs as the young model, 20, gave a leggy display with cut-off denim shorts in the tony neighborhood of Beverly Hills.

Stunning friends: Madison Beer and Cindy Kimberly looked to be enjoying the lifestyle of a pop star muse as they were spotted out in Los Angeles on Wednesday