The McGregor clan took over O'Connell Street last night for the world premiere of Conor McGregor: Notorious at the Savoy Cinema.

John Kavanagh, James Kavanagh, Imelda May, Glenda Gilson, Roz Purcell, Lisa Cannon and many more attended the premiere last night but none were more stylish than the McGregor clan.

McGregor family
The McGregor family walk the red carpet at The Savoy

Conor's girlfriend Dee Devlin wore the Allerston dress from Rolan Mouret's Autum/Winter 2017 Collection in Pacific Blue. According to the designer, the dress is "the perfect transitional piece from evening to night."

Made from 100% silk the dress comes in at €2,095. You can see it here.

Dee's shoes look to be from Yves Saint Laurent, the Amber ankle strap sandals in black leather cost $695.00. You can see them here.

As always, Conor was dressed to the nines by his favourite tailor. He wore a custom-made by David August clothing. Stylist David Heil, CEO of David August clothing, spoke to TMZ about Conor's look.

"Every outfit I make for him takes 60 hours. He likes to wear his suits high and tight and really tailored."

According to reports, each custom suit ranges from $4,000 to $10,000 and the Notorious orders eight to ten outfits for every media tour. 

For all the entertainment news on Conor McGregor: The Notorious and his plans for a sequel, click here

Conor's sister Aoife McGregor told RTÉ LifeStyle on Instagram that while her mother wore head to toe Valentino, she chose a Ganni dress with Christian Louboutin boots. Her sister Erin wore an Isabel Marant dress and Jimmy Choo shoes.

Click through our gallery to see what Conor's parents and siblings wore to last night's premiere and click here to find out more about Conor's notorious style.