Superstar Jennifer Lopez is currently in the middle of a residency in Las Vegas and admitted that it has been a much bigger commitment than she could have imagined. 

During a new interview on The Tonight Show Starring Jimmy Fallon earlier this week, she opened up about her gruelling schedule and confessed that it is exhausting:

"It's a lot of work. Why did I put together this show that's so hard for myself? I was like, 'This is going to be sooooo good! We can do this, this, this and this!' And then at the end of the show I'm like… dead! And then I'm like, 'Oh my God - I have to do this again tomorrow?' This is crazy!"

She went onto add when a Vegas show was talked about she jumped at the chance and had to accept the offer: "It was such a treat for me to be able to put together a show for Vegas. It's really different from touring and doing other concerts and stuff - it's a much more intimate room - it's Vegas, it's like a whole… It was such a blessing."

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Watch JLo performing live here: