By Caleb Taylor For Daily Mail Australia
Published: 04:59 BST, 11 June 2019 | Updated: 04:59 BST, 11 June 2019
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Bachelor winner Anna Heinrich, 32, announced her sister Andrea is pregnant with her first child earlier this month.
And Andrea celebrated her gender reveal party with her famous sibling in Sydney last week.
In photos shared to Instagram, Andrea and her boyfriend Tynan Diaz looked thrilled to learn they're having a baby boy.
It's a boy! Andrea Heinrich celebrated her gender reveal party with boyfriend Tynan Diaz in Sydney last week
Andrea looked every inch the glowing mother-to-be in a brown pleated frock.
Tynan was smartly dressed in a crisp white shirt and grey chinos and a pair of boots.
Held at Centennial Homestead, the venue was decorated with large gold balloons spelling out the words: 'Oh Baby.'
Guests, which included Anna's Neighbours star husband Tim Robards and Home and Away's Sam Frost, feasted on Barramundi, roast chicken and beef fillet.
Adorable baby-themed
