The longtime lovebirds posted a joint Instagram sharing the big news one day after Christmas with a series of photos showing the happy couple together.
In one picture, Patrick plants a big kiss on Abby's cheek, while posing next to a large red heart covered in roses on the beach.
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What's more, Patrick and Abby went on a Christmas morning stroll, jumping on the phone to seemingly tell friends and family about their engagement. Abby was beaming with joy as she rocked her sparkling new engagement ring.
After the phone conversation, the two continued their walk wearing matching pajamas and were later photographed with Abby's parents, who joined in all the happiness.
Patrick and Abby were first seen together in September 2015, making their relationship Instagram official the following year. At the time, Abby posted a photo of them posing with their arms wrapped around each other.