But Perrie Edwards has ditched the colourful dip dye look and returned to blonde as the Little Mix girls continue to crack America - perhaps a nod to a new, more mature singer.
The youngest member of Little Mix battled her way through scandal in the last few months after rumours of her One Direction boyfriend Zayn Malik sleeping with a stripper hit the headlines.
Washed that colour right out of her hair! Perrie Edwards goes back to basic blonde as Little Mix continue to crack America
And they had certainly made the effort as they landed in Baltimore–Washington International Airport.
Looking like they had just been catapulted from a photoshoot rather than a long haul flight the X Factor winners had their best smiles plastered on as they waltzed through arrivals.
Newly blonde Perrie, 19, showed off her incredible legs in a simple jumper dress with black thigh high socks and a grey coat draped over her shoulders.
Did you really just step off a plane? Little Mix pose up in Arrivals at BWI airport in Baltimore
Don't you know who they are? Little Mix hope to crack America this spring
Leigh-Anne Pinnock, 21, opted for a loose dress and kept her long hair in a side braid and Jade Thirlwall, 20, looked ultra cute in a patterned dress and a parka.
The girls are on a whistlestop tour of the US - it is thought the girls will get a push from record company Columbia, being label mates with One Direction and Adele.
It's their DNA: The girls are ready to work hard to crack the USA
Ready for world domination: The girls want to follow in the footsteps of One Direction and hit the big time in the USA
Jade told MTV News: 'As soon as we got [to America], there were fans at the airport waiting for us with presents. Balloons. And more at the hotel.
'We’ve got a good little selection of fans. They’re so polite!'
Baltimore, here we come! The girls clutch bags of sweets as they leave the airport
Despite dropping Wings as their first official single in the US the girls will plough ahead proting their album DNA - which will hit American stores on May 28th.