Tomlinson, his One Direction bandmates and 17-year-old Charlotte stepped out for her birthday on Tuesday (04Aug15) and following the bash, a recording of 'Lottie' singing along to a rap song using the words "F**k that n**ger" surfaced, along with a party guest warning the teenager that she's on camera.

Fans have taken to social media to speak out against the use of the word writing, "Literally lottie you gotta shup (sic) up about that n word specially in the U S of A."

Another user adds, “I actually thought Lottie might’ve learned from the last time she sang the n-word, but I guess not.”

However, some fans are defending her, writing, “Lottie isnt racist. She was rapping a song that had the n word in it. Quite frankly doesnt say anything about her own opinion."