Congrats Demi Lovato! "Skyscraper" Hits No. 1 on iTunes

Demi Lovato is being flooded with Tweets of congratulations after her new single "Skyscraper" reached No. 1 on iTunes after only debuting on Monday!

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"Wow.. Top 10 on iTunes within a matter of hour?!? Definitely can't sleep now," Demi Tweeted early Tuesday morning. "Unbelievable.. Never underestimate my #Lovatics!"

But that was just the beginning!

Demi promoted the song on Ryan Seacrest's radio show on Tuesday and now the song has jumped even higher on the charts.

"WOW!!!!!!! THANK YOU!!!!!!!!! WE DID IT!!!!!!!!" she wrote. "#1 on iTUNES!!!!!!!! MY #LOVATICS ARE INCREDIBLE!!!!!! #SKYSCAPER"

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And Demi also made sure to Tweet a photo with proof she hit No. 1 writing, "WOW.... I'm speechless..... #SKYSCRAPER."

And since then, "Congrats Demi" has even become a trend on Twitter. She sure is loved by her fans!

"AWW!! Congrats Demi is a TT?! THANK YOU!!!" Demi wrote. "But this moment is for all of us to share... Love you all. Wow."

Listen to "Skyscraper," HERE! What do you think of her new song?