She wowed in a heavily embellished feather-lined gown at the Met Gala on Monday night.

But Jennifer Lopez couldn’t resist making a quick outfit change as she headed to the Balmain afterparty at the Boom Boom Room at the Standard Hotel in New York on Monday night.

Joined by her boyfriend Alex Rodriguez, 42, the songstress, 48, showed off her incredible figure as she slipped into a glittering minidress.

Partytime! Jennifer Lopez couldn’t resist making a quick outfit change as she headed to the Balmain afterparty in New York on Monday night with her boyfriend Alex Rodriguez

Jennifer opted to shun the cardinal legs-or-cleavage rule in favour of full on glamour as she flashed a peek of her cleavage in the thigh-skimming dress, which was adorned with thousands of blue and red beads.

She shrugged a black feather coat from designer Alice McCall over her shoulders and complemented the look with red pom pom heels.

Having worn her long blonde tresses down for the red carpet, the Love Don’t Cost A Thing hitmaker decided to wear her hair – which was colored to a perfect honey blonde shade ahead of the event by colorist Adrian Wallace at New York salon Rita Hazan – up in a high bun and switched her nude pink lipstick for a bold red lip.  

Leggy display: The songstress, 48, showed off her incredible figure as she slipped into a glittering minidress

Glam: Jennifer opted to shun the cardinal legs-or-cleavage rule in favour of full on glamour as she flashed a peek of her cleavage in the thigh-skimming dress

Different look: Having worn her long blonde tresses down for the red carpet, the Love Don’t Cost A Thing hitmaker decided to wear her hair in a high bun

Former baseball player Alex looked dapper in a black shirt and silk lined trousers.

Meanwhile, Alicia Vikander wowed in a strapless full-length gown which flattered her gym-honed figure.

The Lara Croft actress, 29, looked effortlessly glamorous in a black and grey crystal inspired dress.

She styled her glossy brunette tresses in an elegant plait and complemented the look with a satin shawl.

Glittering ensemble: She shrugged a black Alice McCall feather jacket over her shoulders and complemented the look with red pom pom heels