Allison Williams cuts an elegant figure in floral dress as she attends Montblanc M Red launch event

She most recently appeared on Patrick Melrose as an old crush of Benedict Cumberbatch’s character.

And it was easy to see why Allison Williams would spark desire as she appeared at the Montblanc M Red launch event on Thursday.

The 30-year-old actress cut an elegant figure in a black floral dress as she walked the red carpet. 

Good cause: It was easy to see why Allison Williams would spark desire as she appeared at the Montblanc M Red launch event on Thursday

The long frock reached down to the Girls star’s ankles and cut in just above her hips, highlighting her curves.

She added a pair of straightforward, yet chic pointed heels that added a couple inches to her 5ft 6in frame.

Allison kept accessories to her fingers, wearing a variety of rings, but forging any necklaces or bracelets.

Her brown tresses were cut to a medium length, falling straight to just above her collarbone.

She painted her lips a glistening rose, and added a touch of pink blush to show off her cheekbones. 

Seeing red: The 30-year-old actress cut an elegant figure in a black floral dress as she walked the red carpet

Seeing red: The 30-year-old actress cut an elegant figure in a black floral dress as she walked the red carpet

Stunning: She added a pair of straightforward, yet chic pointed heels that added a couple inches to her 5ft 6in frame

Gorgeous: The long frock reached down to the Girls star’s ankles and cut in just above her hips, highlighting her curves

Rami Malek was also in attendance for the event and donned shiny green suit.

The 37-year-old actor added a white button-down shirt underneath and left his jawline hispid.

He added a pair of black shined-to-reflection Oxfords to complete his look. 

Leading man: Rami Malek was also in attendance for the event and donned shiny green suit

Leading man: Rami Malek was also in attendance for the event and donned shiny green suit

Chatting: The 37-year-old actor added a white button-down shirt underneath and left his jawline hispid

Chatting: The 37-year-old actor added a white button-down shirt underneath and left his jawline hispid

All smiles: He added a pair of black shined-to-reflection Oxfords to complete his look

All smiles: He added a pair of black shined-to-reflection Oxfords to complete his look

Alek Wek, 41, donned a colorful dress that reached just past her knees and painted her lips a deep red.

She added a pair of knee-high black boots to complete her look.

Daphne Groeneveld, 23, was also in attendance, wearing a patterned black dress with plunging neckline. 

Beautiful: Alek Wek, 41, donned a colorful dress that reached just past her knees and painted her lips a deep red

Beautiful: Alek Wek, 41, donned a colorful dress that reached just past her knees and painted her lips a deep red

Alluring: Daphne Groeneveld, 23, was also in attendance, wearing a patterned black dress with plunging neckline

Alluring: Daphne Groeneveld, 23, was also in attendance, wearing a patterned black dress with plunging neckline

Mountblack M RED is a collaboration between the luxury writing instrument manufacturer and the nonprofit organization.

(RED) endeavors to fight HIV and AIDS in Africa through the Global Fun.

The launch event took place in NYC.

Reasons: Mountblack M RED is a collaboration between the luxury writing instrument manufacturer and the nonprofit organization

Reasons: Mountblack M RED is a collaboration between the luxury writing instrument manufacturer and the nonprofit organization

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