Watch: Iggy Azalea looks really uncomfortable miming with Britney at BBMAs

If you're going to lip-sync next to the queen of miming you'd better at least try to be convincing.

Poor Iggy Azalea looked forced into faking it on stage with Britney Spears at the 2015 Billboard Music Awards in Las Vegas.

Performing their new single 'Pretty Girls' for the first time, the pop pairing brought the energy…but was Iggy lip-syncing? There's definitely something weird going on here – watch above and decide for yourself.

In a bizarre twist, the performance was pre-taped a day before the actual awards. According to Perez Hilton, it was filmed on Saturday in front of Britney's audience at Planet Hollywood. No wonder the production is so slick (besides the lip-syncing!).

Twitter was certainly divided about the performance:

Check out more moments from the BBMAs here: