Megan Fox and Machine Gun Kelly proved they were back on track as they stepped out in London together on Tuesday evening.

The couple put on a united display as they brushed off speculation over their on-off relationship.

Megan, 37, caught the eye as she went braless in a figure-hugging white crop top and high waisted black trousers which had a silver diamante chain.

The actress supported MGK as he unveiled a ring collection The 8th Deadly Sin – GOSSIP with Stephen Webster at The Bomb Factory.

While they walked to the exhibition together, the couple did not pose for photographs together once inside the venue.

United display: Megan Fox and Machine Gun Kelly proved they were back on track as they stepped out in London together on Tuesday evening

Stunning: Megan was a vision of beauty in the snaps and dared to go braless for the outing

The couple made their first public appearance together since their reported breakdown of their relationship earlier this month at the Sports Illustrated Swimsuit launch.

It’s been rumored in recent months Megan’s engagement with MGK was on the rocks following allegations the rapper-turned-rocker had been unfaithful.

But they were spotted last month having reconciled on holiday in Hawaii.

A source said at the time that although they had endured a ‘rocky patch’ in their whirlwind romance, the couple  are ‘officially back on’ and ‘feel more connected than ever.’

But sources told PEOPLE Megan isn’t making it easy for MGK.

Bombshell: Megan, 37, caught the eye in a figure-hugging white crop top and high waisted black trousers which had a silver diamante chain

The actress supported MGK as he unveiled a ring collection The 8th Deadly Sin – GOSSIP with Stephen Webster at The Bomb Factory

Glam: Megan, 37, caught the eye in a figure-hugging white crop top and high waisted black trousers which had a silver diamante chain

Catching up: Megan enjoyed a chat with Stephen Webster at the event

Fashion: While they walked to the exhibition together, the couple did not pose for photographs together once inside the venue (MGK pictured with Stephen Webster)

Night out: Megan looked in good spirits as she and Kelly chatted outside the venue

In demand: At one point, a fan gave Kelly a hug as he strolled through the streets with Megan

Radiant: The Jennifer’s Body star ensured all eyes were on her as she hit the town

On the town: MGK also looked in good spirits as he chatted with a member of his entourage

Collection: Stephen Webster posed with Machine Gun Kelly as they showed off their rings