The Jennifer's Body actress, 36, and the rapper-turned-rocker, 32, have teamed up to create a nail polish collection for his nail polish line, UN/DN LAQR. 

Fox described one of the green metallic colors - which matches her emerald engagement ring from MGK - in the collection, as her favorite, telling Allure: 'It has a strong sexual energy that helps me feel aligned with my heart and my truest desires.'

Collab: Megan Fox, 36, and her fiancé Machine Gun Kelly, 32, have collaborated on a nail polish collection for his polish line UN/DN LAQR, which they promoted with sizzling new snaps

'Sexual energy': Fox told told Allure of the green metallic color: 'It has a strong sexual energy that helps me feel aligned with my heart and my truest desires' 

The musician launched his unisex nail polish line last year, and told W Magazine that he began experimenting with painting his nails when he was in high school, before he became interested in more intricate designs. 

Matching: Megan's favorite green color from the collection matches her emerald engagement ring from MGK, which she received in January