Make-up free Mary-Kate Olsen and her towering fiancé Olivier Sarkozy arrive fashionably late to nude art show in NYC

Mary-Kate Olsen enjoyed a night out with her much older and taller fiancé Olivier Sarkozy at Sotheby's in Manhattan Wednesday night.

According to Women's Wear Daily, the 29-year-old designer and the 46-year-old Frenchman 'arrived late' to the Take Home a Nude show.

The Daytime Emmy nominee - who covered up in a fuzzy black jumper and grey skinny jeans - still hasn't picked out her wedding gown.

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No. 523: Mary-Kate Olsen (2L) enjoyed a night out with her much older and taller fiancé Olivier Sarkozy (2-R) at Sotheby's in Manhattan Wednesday night

No. 523: Mary-Kate Olsen (2L) enjoyed a night out with her much older and taller fiancé Olivier Sarkozy (2-R) at Sotheby's in Manhattan Wednesday night

Still going strong! According to Women's Wear Daily, the 29-year-old designer and the 46-year-old Frenchman 'arrived late' to the Take Home a Nude show

Still going strong! According to Women's Wear Daily, the 29-year-old designer and the 46-year-old Frenchman 'arrived late' to the Take Home a Nude show

'I'm, like, not even there yet,' Olsen - who engaged 21 months ago - admitted to WWD back in May.

'I think it may be a matter of getting five or six or making two or three and being stressed out. That seems kind of far away. We'll take one step at a time.'

The half-brother of former French President Nicolas Sarkozy has two children - Julien, 12, and Margo, 10 - with ex-wife Charlotte.  

'That seems kind of far away. We'll take one step at a time': The Daytime Emmy nominee - who covered up in a fuzzy black jumper and grey skinny jeans - still hasn't picked out her wedding gown

'That seems kind of far away. We'll take one step at a time': The Daytime Emmy nominee - who covered up in a fuzzy black jumper and grey skinny jeans - still hasn't picked out her wedding gown

Minimalist: Aside from a little foundation and gloss, Mary-Kate went make-up free for her date and did not style her long ombré locks

Minimalist: Aside from a little foundation and gloss, Mary-Kate went make-up free for her date and did not style her long ombré locks

Aside from a little foundation and gloss, minimalist Mary-Kate went make-up free for her date and did not style her long ombré locks.

The NYU drop-out is two minutes younger than her fraternal twin sister Ashley, and they've amassed a combined $300M fortune since their Full House years.

The Olsens spend their days running their four companies - The Row, Elizabeth and James, Olsenboye, and StyleMint.  

Life-long collaborators: The NYU drop-out is two minutes younger than her fraternal twin sister Ashley (R), and they've amassed a combined $300M fortune since their Full House years

Life-long collaborators: The NYU drop-out is two minutes younger than her fraternal twin sister Ashley (R), and they've amassed a combined $300M fortune since their Full House years

'Spring 2016 Collection': The Olsens spend their days running their four companies - The Row, Elizabeth and James, Olsenboye, and StyleMint

'Spring 2016 Collection': The Olsens spend their days running their four companies - The Row, Elizabeth and James, Olsenboye, and StyleMint

Coffee addicts: The diminutive California blondes both won the CFDA Fashion Award for Womenswear Designer of the Year last June

Coffee addicts: The diminutive California blondes both won the CFDA Fashion Award for Womenswear Designer of the Year last June

The diminutive California blondes both won the CFDA Fashion Award for Womenswear Designer of the Year last June.

Sotheby's hosted the New York Academy of Art's annual art auction and party, which showcases over 150 paintings and photographs.

Naomi Watts was spotted sitting pretty at the auction, having fancied a 'small picture of a girl in her underwear.'  

Looking at nudes: Sotheby's hosted the New York Academy of Art's annual art auction and party, which showcases over 150 paintings and photographs

Looking at nudes: Sotheby's hosted the New York Academy of Art's annual art auction and party, which showcases over 150 paintings and photographs

'It's got some nice, beachy colours! It's nice to get [art] when you can afford it': Naomi Watts was spotted sitting pretty at the auction, having fancied a 'small picture of a girl in her underwear'

'It's got some nice, beachy colours! It's nice to get [art] when you can afford it': Naomi Watts was spotted sitting pretty at the auction, having fancied a 'small picture of a girl in her underwear'

'It's got some nice, beachy colours,' the 47-year-old actress told WWD.

'I love young, new artists. It’s nice to get them when you can afford them.'

In the spirit of the evening's theme, the two-time Oscar nominee flashed her black bra beneath an ultra-sheer b&w mini-dress likely selected by her stylist Jeanann Williams.  

Pink toenails: In the spirit of the evening's theme, the two-time Oscar nominee flashed her black bra beneath an ultra-sheer b&w mini-dress likely selected by her stylist Jeanann Williams
Pink toenails: In the spirit of the evening's theme, the two-time Oscar nominee flashed her black bra beneath an ultra-sheer b&w mini-dress likely selected by her stylist Jeanann Williams

Pink toenails: In the spirit of the evening's theme, the two-time Oscar nominee flashed her black bra beneath an ultra-sheer b&w mini-dress likely selected by her stylist Jeanann Williams

Art lover: The About Ray star - toting a white boxy clutch - sported her signature platinum bob and peachy minimal make-up

Art lover: The About Ray star - toting a white boxy clutch - sported her signature platinum bob and peachy minimal make-up

The About Ray star - toting a white boxy clutch - sported her signature platinum bob and peachy minimal make-up.

Top Chef host Padma Lakshmi easily defied her 45 years in a b&w A-line dress and rose-topped black stilettos.

The guests were purposefully donning white looks in honor of the men of the hour - 84-year-old author Tom Wolfe - in his usual creamy suit.

Flawless: Top Chef host Padma Lakshmi easily defied her 45 years in a b&w A-line dress and rose-topped black stilettos

Flawless: Top Chef host Padma Lakshmi easily defied her 45 years in a b&w A-line dress and rose-topped black stilettos

This time last night @NYAA making crazy eyes with #tomwolfe Bonfireofinsanity!!!!

A photo posted by Padma Lakshmi (@padmalakshmi) on

Wolf-headed cane: The guests were purposefully donning white looks in honor of the men of the hour - 84-year-old author Tom Wolfe - in his usual creamy suit

Wolf-headed cane: The guests were purposefully donning white looks in honor of the men of the hour - 84-year-old author Tom Wolfe - in his usual creamy suit

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