"This is my first met gala. This is overwhelming, exciting, nerve wracking, I don't know where how to stand, where to look. [I'm] seeing everyone I see on TV, [but I'm] not quite sure if it's really them," Dion told ET's Carly Steel on the red carpet. "I'm like, 'It can't be true!'"
"I'm used to premieres, but this is my first Met Gala. I'm not quite sure I know what I'm doing," she confessed. "It's all like, the preparation of this whole thing, they said 'You're gonna have such a great time, it's so fun!' Well, it might be fun in a couple of hours after a drink, but right now, it's like a shock. It's like, 'Don't open the dress too much, don't close it.' They want to see it, they don't want to see it. You don't want to fall on the stairs, do over the shoulder, it doesn't move, but make it loose it can move. It's a lot."
"But I'm honored to be here, honestly," she added. "I was very touched by Donatella asking me to wear her gown. It's been 20 years since her brother has passed away, and I've been wearing a lot of Versace since I started to make a little bit of money. I think of him tonight. It's beyond fashion for me tonight. It's emotional."
Dion started working with stylist Law Roach after her husband, Rene Angelil, died in 2016.
"I have to say, it's pretty exciting," she told ET last year. "Working with Law Roach is quite an experience to be honest with you."
"[Roach] brought me out of my closet and now flowers are growing," she continued. "And even my kids, [they're like] 'We want a bow like this, we want a dress like this' -- my kids, even if they're boys, they're into fashion, they're into characters, everything they say they like, whether it's for a girl or a boy, they want it."