Forget family resemblance, we would've guessed that this celebrity sibling and her famous big brother were twins if we didn't know any better! Can you you figure out which boy band member she's related to?

While most teenagers would be barfing over the fact that millions of girls are vying for their older brother's attention, this Brit is glad to have such an adoring brother. She is nothing but thankful for his successful singing career, which really started when he won a Britney Spears singing contest back in the day. Growing up, it was just her, her brother and her mom, and it's clear that their family bonds will remain strong no matter what.

Can you guess which famous English crooner (and 1/5 of a dreamy boy band) this blondie is related to? Click through below to find out!