Leigh-Anne has a smash hit single on her hands — the first of her newly formed solo career — and she has her sights set on a big, bold musical future ahead of her.The English singer and songwriter sat down with ET's Denny Directo on Monday and opened up about what its been like to venture off on her solo path after her former group, Little Mix, announced they were going on an indefinite hiatus last year.«It's been amazing. It's been scary, I'm not gonna lie, 'cause, I mean, if you imagine 11 to 12 years being in a group with my sisters and having their hands to hold at all times, literally,» the mononymous songstress shared.