iHeartRadio Music Festival Kicks Off in Las Vegas: 10 Acts You Don’t Want to Miss (GALLERY)

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The iHeartRadio Music Festival always has music’s hottest celebs headlining its two-day concert, and this year is no exception.

Th2 2012 festivities boast are star-studded line-up, including chart-toppers Rihanna and Taylor Swift performing Saturday and Sunday respectively.

However, don’t be expecting previously-scheduled performer Shakira to be hitting the stage this weekend.

On Wednesday, the Colombian singer announced on her personal website that she will not be attending the event due to her pregnancy, writing:

As some of you may know, Gerard and I are very happy awaiting the arrival of our first baby! At this time we have decided to give priority to this unique moment in our lives and postpone all the promotional activities planned over the next few days. This means I will not be able to be a part of the iHeartRadio Music Festival, but I’m sure this weekend in Las Vegas will be spectacular and I will be closely following everything that happens there!

Shakira was scheduled to perform in on September 22, where she was set to share the stage with fellow Latin entertainers Enrique Iglesias and Pitbull.

Who should you expect to wow at Las Vegas?

Launch the gallery above for the top 10 iHeartRadio acts you don’t want to miss.