Jennifer Lopez Masters Casual Chic on the 'Shotgun Wedding' Set in a White Crop Top and Gold Joggers

The 51-year-old actress showed off her stunning abs during some downtime behind-the-scenes.

Jennifer Lopez (opens in new tab) is a master of casual chic—a fact she proved yet again this weekend on the set of her new movie.

The singer, actress, and producer shared several pictures of her incredible working weekend look on Instagram Saturday. The 51-year-old posed for the photos during some downtime on the set of her upcoming rom-com, Shotgun Wedding, which is currently filming in the Dominican Republic.

J.Lo's amazing look consisted of a white sports bra-style crop top paired with a pair of loose-fitting gold joggers and several pieces of gold and silver jewelry, including chunky bangle bracelets and a large gold statement necklace. As Page Six (opens in new tab) pointed out, however, one key piece of jewelry was missing from the ensemble—Lopez's $1.8 million diamond engagement ring from Alex Rodriguez (opens in new tab).

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"Keep calm and work on the weekend ✨ #ShotgunWedding #ProducerLife #SetLife #NuyoricanProductions @egt239 📸: @kateland7," Lopez captioned the series of five shots.

Lopez tagged her longtime producing partner, Elaine Goldsmith Thomas (opens in new tab), who worked with the actress on Second Act as well as her makeup artist, Kate Best (opens in new tab), who also snagged a photo credit in the post's caption.

Best took to her own Instagram to share several pictures of Lopez on the movie's set Saturday as well, revealing more details about the people behind the star's stunning, gold-toned look. According to Best's first post from the afternoon's impromptu shoot, hair stylist Lorenzo Martin (opens in new tab) deserves credit for J.Lo's perfectly-beachy tresses in the pics and stylist and costume designer Kelly Johnson (opens in new tab) was behind the sexy-but-comfortable wardrobe.

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Best also shared a picture not included in J.Lo's gallery—one of the star in the passenger seat of a car, which the makeup artist captioned, "SMASHED IT SATURDAY⭐️."

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