Britney Spears and Iggy Azalea looked to be having the time of their lives on Thursday and Friday, as they filmed the video for upcoming duet ‘Pretty Girls’ in Los Angeles. The video looks to be ‘retro’ themed with both girls spotted sporting some crazy big hairstyles on set.

Iggy Azalea and Britney SpearsIggy and Britney look to be going for an 80s theme with the video

The highly anticipated single is set to drop on May 5th and both Iggy and Britney have been careful to keep exact details of the track under wraps. The single will reportedly be the lead track on Spears' forthcoming ninth studio album.

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Britney got fans on Instagram excited about the video shoot on Thursday, posting a pic of herself in a yellow jeep with the caption, "Girls roll up/ windows roll down/ eyes on us/ jaws on the ground,” believed to be lyrics from the song.

Iggy AzaleaThe duet is set for release on May 5th.

Spears was pictured on set Thursday with 80s style blow dried hair behind the wheel of the jeep, wearing a leopard print crop top and ripped denim jeans. The 33 year old was joined by 24 year old Iggy who was wearing a shorts and waistcoat double denim combo and had her blonde hair crimped to match Spears’ retro style.

See all our pictures from the set of Iggy Azalea and Britney Spears’ ‘Pretty Girls’ video shoot.

The next day the two singers were back on set with Spears sporting a shorter, curly hairstyle. E! News reports that the ‘Pretty Girls’ were having a good time shooting the video and seemed to get along really well.

britney spears‘Pretty Girls’ will reportedly feature on Spears’ upcoming album

Speaking about the collaboration at last month at the iHeart Radio Awards Azalea said, "We go back and forth. She has her verses, I have my verse, but it's not just me kind of popping in it.”

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"[Spears] is super nice. She came to my house and had lunch and I didn't know what to expect, and we actually really got along,” the Aussie rapper continued. "I've been texting her, annoying her with all my ideas for the video and she's been a really good sport about it, so I'm really excited."