Purple Wiggle Lachlan Gillespie and fiancée Dana Stephensen enjoy a stroll with their twin daughters

The Wiggles' Lachlan Gillespie and his fiancée Dana Stephensen enjoyed a relaxed stroll with their eight-month-old twins Lulu and Lottie in Sydney on Sunday. Family: Purple Wiggle Lachlan Gillespie and his fiancée Dana Stephensen looked every inch the doting parents as they took a stroll with their twins Lulu and Lottie in Sydney on Sunday Doting parents: The loved-up couple, who announced their engagement in April last year, were all smiles as they stepped out with their daughters The children's entertainer also wore a cap and sipped on a take-away coffee after visiting a local café. Casual: Lachlan, 35, dressed casually in jeans, a long-sleeve flannel shirt and sneakers as he pushed Lulu and Lottie in a stroller Style: The children's entertainer also wore a cap and sipped on a take-away coffee after visiting a local café Style: Dana kept warm in a green jumper, a brown puffer vest and black trackpants Comfort: The ballet dancer finished off her ensemble with black boots as she chatted to her husband-to-be Lachlan and Dana surprised everyone when they announced the arrival of their twins in September. Lachlan and Dana surprised everyone when they announced the arrival of their twins in September Tribute: The Wiggles star wrote on Instagram, 'Lulu and Lottie, your mummy and daddy love you with all we have - you are both so beautiful - and I would love to sing to you both forever' Keeping it a secret: Neither Lachlan nor Dana had given any indication they were expecting a child, let alone twins, meaning fans were completely floored by the news Catching up: During the family outing, Lachlan and Dana stopped to chat to a friend The couple announced their engagement last April.