Celebrity DIY - Stars packen an

Brad Pitt recruits Drew and Jonathan to help him surprise his friend and makeup artist of 30 years by renovating her detached garage. They turn her 400-square-foot unit into a guest suite, makeup station and storage area.

Melissa McCarthy visits Chicago to give back to her aunt and uncle, both retired cops. Melissa creates an upstairs retreat where her aunt can entertain, and a downstairs man cave equipped with all the comforts her uncle deserves.

Viola Davis heads to Minneapolis to surprise her best friend of 30 years with a home renovation. Viola works with Jonathan and Drew Scott to create a peaceful sanctuary where this doting mom can finally put herself first.

Michael Buble pays tribute to his grandfather by fulfilling his final wish: to provide his caretaker with a place to live. Michael calls on Drew and Jonathan to help renovate his grandfather's house before surprising her with it.

Rebel Wilson's newly married hairstylist and best friend spent her savings to buy a home, leaving the couple with barely any money to renovate the backyard. Rebel works with Drew and Jonathan to turn the arid space into an oasis.

Jeremy Renner is moving his mom to Los Angeles to be closer to her family. He calls on Drew and Jonathan to transform her dated condo into a cozy oasis where she can entertain the family and host sleepovers with her grandchildren.