Kimberley Walsh exclusively revealed to HELLO! why she will not be attending the upcoming Girls Aloud reunion which is set to take place later this month.MORE: Kimberley Walsh surprises fans by rocking Kate Middleton's famous dressKimberely, 40, explained her absence from the Race For Life, will be a "blessing in disguise," while other members of the iconic girl group are set to meet, to honour their former bandmate Sarah Harding who sadly passed away last year due to breast cancer.WATCH: Behind the scenes of HELLO!'s Star Mums photoshootKimberley will be taking part in the race remotely from Ibiza. She said: "Part of me thinks it's a blessing in disguise because I'd be so emotional I wouldn't be able to set off on the run."SEE: Kimberley Walsh's £31 floral top is a must-have for springREAD: Inside Kimberley Walsh's unbelievable new pink and gold bathroom"I'm gutted about (missing the race) because me and my family had already planned to be away celebrating my mum's 70th birthday so it's not something I can shift.