The third and final release in her concept album trilogy based around beauty, it has received positive reviews from critics.

Editors of AllMusic Guide rated this release 4.5 out of five stars and included it in their Best of 2022 listing, with critic Heather Phares writing that it is "stylishly strong" and it successfully builds upon her previous two albums.

[3] Dylan Green of Pitchfork Media rated Shape Up an eight out of 10, opining that "her songs fuse stark confidence and raw vulnerability, unconcerned with how they scrape up against each other";[4] the publishers included it as one of the 39 best albums of the year in June 2022.

gave this album nine out of 10 for "an impressively organic flow considering how the record swings between extremes, so massive and varied instrumentally with moments of slick braggadocio, unflinching humour and staggering vulnerability".

[6] Precious Fondren of HipHopDX rated this album a 3.5 out of five, writing that the rapper is "adaptable" and that "her verses are top tier, her choruses ring a bit hollow in comparison" and highlighting many good tracks, but critiquing that "a load of the songs on Shape Up feature hooks that lack impact".