Jennifer Lopez bundled up for the London premiere of “Unstoppable” Tuesday night in a white mohair Magda Butrym halter dress ($1,220) and matching alpaca jacket ($3,900).

She accessorized with scalloped Christian Louboutin pumps ($845) and a sleek ivory clutch.

The actress, 55, wore her hair in a low bun and went for a ɴuᴅᴇ makeup look.

She showed off her monochromatic look on her Instagram page ahead of the premiere by sharing a video that included several snapsH๏τs of herself posing in the back seat of a vehicle.

“Unstoppable screening London ,” she captioned the post. “On my way to uuuuuu .”

The “Hustlers” star arrived at the carpet at Cineworld Leicester Square with a smile and met up with her co-star Jharrel Jerome, who portrays wrestler Anthony Robles in the film.

The pair posed with the real-life Anthony Robles — who rose to fame in 2011 after winning the NCAA individual wrestling national championship despite being born without his right leg — his mom Judy Robles and the film’s director, William Goldenberg

Lopez plays Judy in the sports drama, which follows Anthony’s life and wrestling career.

Her appearance in London comes just one day after her ex, Ben Affleck, complimented her performance in the film.

“Jennifer is spectacular,” he told Entertainment Tonight Monday while promoting his other project, “Small Things Like These.”

Affleck and Matt Damon’s company, Artists Equity, produced “Unstoppable.”