Sinead O Brien (centre) with Brenda Mangwandi, Annie Dempsey,Chloe Walsh and Jessica Cinelli pictured at the launch of Sinead O Brien's Vacious Swim swimwear Pic Brian McEvoy - VIP Magazine

Sinead O Brien (centre) with Brenda Mangwandi, Annie Dempsey,Chloe Walsh and Jessica Cinelli pictured at the launch of Sinead O Brien's "Vacious Swim" swimwear Pic Brian McEvoy

Stars step out for Sinead O'Brien's swimwear launch - VIP Magazine

Stars step out for Sinead O'Brien's swimwear launch - VIP Magazine

Well known faces celebrate Sinead O'Brien's new range Vacious Swim

Stars step out for Sinead O'Brien's swimwear launch - VIP Magazine

Stars step out for Sinead O'Brien's swimwear launch - VIP Magazine

Stars step out for Sinead O'Brien's swimwear launch - VIP Magazine

Irish influencer Sinead O'Brien set to launch 'game-changing' new product

Sinead O Brien (centre) with Brenda Mangwandi, Annie Dempsey,Chloe Walsh and Jessica Cinelli pictured at the launch of Sinead O Brien's Vacious Swim swimwear Pic Brian McEvoy - VIP Magazine

Stars step out for Sinead O'Brien's swimwear launch - VIP Magazine

Stars step out for Sinead O'Brien's swimwear launch - VIP Magazine

Stars step out for Sinead O'Brien's swimwear launch - VIP Magazine

PICS: Well-known faces step out at the launch of Sinead O'Brien's