Hailey Bieber Get Her Temperature Checked Before Joining Husband Justin On Set of a Secret Project

Hailey Bieber wears a cute bikini top to beat the heat while on a set in Los Angeles on Tuesday (August 18).

The 23-year-old model paired her top with a pair of jean shorts and over-sized flannel shirt later in the day. Hailey was seen getting her temperature checked ahead of her arrival at the set, where she joined husband Justin as he worked on a secret project.

PHOTOS: Check out the latest pics of Justin Bieber

Earlier in the day, Hailey was spotted with a gal pal picking up a drink to go after a workout class.

The day before, Justin and Hailey were seen out to lunch wearing some matching animated masks and also ran a few other errands and got some breakfast together.

See the pics here!