Liam Hemsworth's girlfriend Gabriella Brooks gives him important fashion advice

Liam Hemsworth is asking an important question from his fans.

Taking to his Instagram on Tuesday, the actor invited his followers to suggest to him he should get a haircut.

Posting a picture with his messy blonde hair, Liam simply asked," Haircut?" in the caption.

While a lot of his fans expressed their opinions to The Hunger Games star's question, it was girlfriend Gabriella Brooks' comment that really caught attention.

"Rapunzel," she wrote on her boyfriend's post.

Fans, who could not stop gushing over the bond of these lovebirds, heaped praises for the couple.

"My favourite couple," wrote one fan.

"I LOVE YOU BOTH," exclaimed another.

Take a look: