The beauties of Fifth Harmony are celebrating the release of their highly anticipated debut album, 'Reflection', today (February 3) and they are overwhelmed by the fact that the record shot straight in at No.1 on the U.S. iTunes albums chart. 

Despite only being released this morning, 'Reflection' has already hit the top spot in America and some of the girls took to their official Twitter pages to react to this success. Camila Cabello wrote: "'Reflection' is Number 1 on iTunes OH MY GOD."

Songstress Normani Kordei shared a screenshot of the iTunes album chart with her group's album sitting pretty in pole position and added: "Passed out real and I woke up realer." Ally Brooke Hernandez said: "I'll never be able to thank you all enough. I genuinely am speechless and feel so overwhelmingly blessed. Can't believe it's all happening."

A press release has since been issued on the amazing news, which reads:

"Within minutes of its release today, the girls hit the top spot, and have done so in over 20 countries already. Featuring three Gold-certified singles including their latest chart hit, the Meghan Trainor-penned 'Sledgehammer', Reflection has won praise from Billboard and Rolling Stone among others. The album also includes collaborations with Kid Ink ('Worth It') and Tyga on the Mariah Carey-sampling 'Like Mariah'."

The hitmakers recently spoke to Billboard about the mature themes on this record and admitted that they're all at the ages where it's natural to 'explore sexuality': "Have you heard mainstream pop? A lot of people are really exploring their sexuality. And, honestly, we're 17 to 21 -- so that's a realistic topic for us."

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Watch a new interview segment with the girls here: