Megan Fox joins Machine Gun Kelly and friends to celebrate his album scoring No. 1 on Billboard 200

Megan Fox is every bit the proud girlfriend as she joins Machine Gun Kelly and friends to celebrate his album scoring No. 1 on Billboard 200

Machine Gun Kelly’s got his first ever No. 1 on the Billboard 200.

And there was no one more proud than his girlfriend Megan Fox.

The 34-year-old actress was right next to her 30-year-old musician beau as he celebrated his milestone with friends in front of the iconic Whisky a Go Go in West Hollywood on Saturday.

Scroll down for video 

Support system: Megan Fox supported  Machine Gun Kelly as they joined some of his friends in front of the iconic Whisky a Go Go in West Hollywood on Saturday to celebrate his first ever No. 1 on the Billboard 200

The group happily posed in front of a billboard promoting MGK’s latest album Tickets To My Downfall.

In addition to Megan and MGK – real name Colson Baker – there was drum superstar Travis Barker, who worked on several tracks on the album, as well as Bella Thorne’s ex Mod Sun.

The Bloody Valentine hitmaker posed happily with his arm around Megan for the celebratory snap.

Party people: In addition to Megan and MGK - real name Colson Baker - there was drum superstar Travis Barker, who worked on several tracks on the album, as well as Bella Thorne's ex Mod Sun

Party people: In addition to Megan and MGK – real name Colson Baker – there was drum superstar Travis Barker, who worked on several tracks on the album, as well as Bella Thorne’s ex Mod Sun

As MGK has shifted music genres from hip-hop to pop punk, he made sure to show his edgy side by sharing a video of himself throwing a guitar-shaped cake into the window of a Hollywood tourist tour bus.

He captioned the video:  ‘WE DID IT. #1 album. 126,000 units first week. to the fans + EST you really made it happen the way we talked about 10 years ago. today is a celebration. sorry random car [four winking while sticking tongue out emojis]’

It was announced on Monday morning that Tickets To My Downfall had earned him his first No. 1 on the Billboard 200 chart.

It is also the first rock album to hit No. 1 in over a year as the last one to do so was Tool’s Fear Inoculum on September 14, 2019.

Rocking out: As MGK has shifted music genres from hip-hop to pop punk, he made sure to show his edgy side by sharing a video of himself throwing a guitar-shaped cake into the window of a Hollywood tourist tour bus

Rocking out: As MGK has shifted music genres from hip-hop to pop punk, he made sure to show his edgy side by sharing a video of himself throwing a guitar-shaped cake into the window of a Hollywood tourist tour bus

Sweet treat: He could be seen picking up the cake shaped like the pink guitar on the front of his album

Sweet treat: He could be seen picking up the cake shaped like the pink guitar on the front of his album

Smachdown: No doubt tourists were in the thrill of a lifetime as he tossed the cake on the windshield

Smachdown: No doubt tourists were in the thrill of a lifetime as he tossed the cake on the windshield 

Vibes: He captioned the video: 'WE DID IT. #1 album. 126,000 units first week. to the fans + EST you really made it happen the way we talked about 10 years ago. today is a celebration. sorry random car [four winking while sticking tongue out emojis]'

Vibes: He captioned the video: ‘WE DID IT. #1 album. 126,000 units first week. to the fans + EST you really made it happen the way we talked about 10 years ago. today is a celebration. sorry random car [four winking while sticking tongue out emojis]’

No doubt his relationship with Megan and their high-profile romance has a great deal to do with the album’s success as she has been featured in two music videos  for it so far.

 Megan and Kelly went public with their relationship in May after meeting on the set of the movie Midnight In The Switchgrass.

Shortly before their romance began, Megan split from her husband of 10-years, Brian Austin Green, 47.

Fast times: No doubt his relationship with Megan and their high-profile romance has a great deal to do with the album's success as she has been featured in two music videos for it so far including Drunkface which was released last week

Fast times: No doubt his relationship with Megan and their high-profile romance has a great deal to do with the album’s success as she has been featured in two music videos for it so far including Drunkface which was released last week

It's official! Megan and Kelly (pictured) went public with their relationship in May after meeting on the set of the movie Midnight In The Switchgrass

It’s official! Megan and Kelly (pictured) went public with their relationship in May after meeting on the set of the movie Midnight In The Switchgrass

The former couple began dating after meeting on the set of a TV sitcom in 2004 and following an on-off-on again engagement, they tied the knot in 2010.

Megan and the Beverly Hills, 90210 star share three sons Noah, eight, Bodhi, six, and Journey, four.

Meanwhile, Randall Emmett’s directorial debut The Switchgrass was being filmed in Puerto Rico before production shut down in March due to the COVID-19 pandemic.The crime thriller also stars Bruce Willis, Emile Hirsch, Lukas Haas, Sistine Stallone and Michael Beach.

Past: Shortly before their romance began, Megan split from her husband of 10-years, Brian Austin Green. Pictured in 2014

Past: Shortly before their romance began, Megan split from her husband of 10-years, Brian Austin Green. Pictured in 2014