Britney Spears and Iggy Azalea's Pretty Girls is highest new entry on US singles chart

The pair debut inside the Top 40 on the Billboard Hot 100 with their collaboration.

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Britney Spears and Iggy Azalea's Pretty Girls is the highest new entry on this week's Billboard Hot 100 chart.

The pair's collaboration debuts at Number 29 on the tally following its Stateside release last week. Earlier this week (May 13) the song's '80s sci-fi themed video was released, and their pair will perform the track at the Billboard Awards this weekend (May 17).

Meanwhile, Wiz Khalifa extends his reign at Number 1 on the tally for a fifth week with downloads of 251,000 and 24.5 million streams.

Fetty Wap's Trap Queen holds at Number 2, The Weeknd's Earned It returns to its previous peak at 3, and Walk The Moon's Shut Up And Dance completes the Top 5.

Outside the Top 10, Meghan Trainor reaches a new peak at 16 with Dear Future Husband, DJ Snake & Aluna George climb four places to 22 with You Know You Like It, and Skrillex & Diplo FT Justin Bieber's Where Are U Now jumps six places to 30.

Other big climbers on this week's Hot 100 include OMI's Cheerleader, up from 63 to 47, Mumford & Sons' Believe vaults 79 to 54, and Miguel's Coffee is new at Number 78.