Jackie 'O' Henderson looks strained as she chats on FaceTime during a break filming the Masked Singer - as it's reported she nearly COLLAPSED on set from exhaustion By Monique Friedlander For Daily Mail Australia Published: 02:32 BST, 28 July 2021 | Updated: 02:32 BST, 28 July 2021 Viewcomments Jackie 'O' Henderson recently suffered a terrifying health scare after almost collapsing from exhaustion on the set of The Masked Singer. And the radio host, 46, looked rather strained as she took a break from filming at Sydney's Carriageworks on Sunday. Jackie, who has been filming The Masked Singer in the evenings and then waking up early to host her KIIS FM breakfast show, appeared tense as she paced around the building with her phone while chatting on FaceTime. Burning the candle at both ends: Jackie 'O' Henderson, 46, (pictured) stepped out on the set of The Masked Singer on Sunday amid reports she suffered a terrifying health scare during filming Sporting an extremely dark spray tan, the mother-of-one dazzled in a black sequin mini dress and a blue duster coat. She added even more sparkle to her look with a pair of statement rhinestone earrings, and enhanced her complexion with a dramatic makeup look. Jackie wore her blonde tresses in a dramatic side-parting and sculpted into loose waves. On overdrive: Jackie, who has been filming The Masked Singer in the evenings and then waking up early to host her KIIS FM breakfast show, appeared tense as she paced around the building with her phone while chatting on FaceTime Glamorous: Sporting an extremely dark spray tan, the mother-of-one dazzled in a black sequin mini dress and a blue duster coat However, Jackie chose comfort over glamour when it came to her choice of shoes, opting for a pair of pink fluffy slippers. It comes after Jackie admitted that she'd recently almost passed out on the set of The Masked Singer due to a lack of sleep and low blood sugar. Speaking to the show's host Osher Günsberg on Wednesday's Kyle And Jackie O Show, the blonde recalled: 'You guys had to take a 20 minutes because I came so close to fainting and I had to go backstage for 20 minutes.' All that glitters! She added even more sparkle to her look with a pair of statement rhinestone earrings, and enhanced her complexion with a dramatic makeup look Who needs heels? However, Jackie chose comfort over glamour when it came to her choice of shoes, opting for a pair of pink fluffy slippers 'I have never felt that before in my life,' she confessed. Osher admitted that the cast and crew were 'all really worried' about Jackie's health after her dizzy spell. 'I wasn't going to say anything, obviously, but we were all really worried about you. That was a very long day, we'd been on set for like 15 hours,' he implored. Apologising for delaying production with her health scare, Jackie confessed: 'I felt so bad, but it just came on.' 'You know what it was? I'd had no sugar in my body at all and I had this black, tight dress on which was probably cutting off my circulation. And with the lights and everything, I just suddenly felt, 'Woah! What's coming over me?'' Jackie is filming the third season of The Masked Singer alongside fellow panellists Hughesy, Urzila Carlson and Dannii Minogue. 'I have never felt that before in my life': It comes after Jackie admitted that she'd recently almost passed out on the set of The Masked Singer due to a lack of sleep and low blood sugar 'I just suddenly felt, 'Woah! What's coming over me?'' Jackie blamed the lack of 'sugar in her body', bright lights and her tight outfit for her health scare It's back! Jackie (centre) is filming the third season of The Masked Singer alongside fellow panellists Dave 'Hughesy' Hughes (right), Urzila Carlson (second from right) and Dannii Minogue (left). Osher Günsberg (second from left) is returning as host Share or comment on this article: All rights reserved for this news site (dailymail) and under his responsibility