The news comes nearly two years after they started dating.
The YouTube stars will tie the knot before the end of the month.
The actress shared a stunning photo of the baseball player's proposal.
Harper shared the exciting news on Instagram on Saturday, posting a photo of their couple’s matching panther rings.
The 'Famous in Love' star took to social media on Tuesday to share her reaction to the news.
The news comes just two months into the YouTubers' relationship.
The former 'Bachelorette' has her eye on another 'Bachelor' alum's ring!
The happy couple is ready to tie the knot!
The 28-year-old actress couldn't be happier to be an engaged woman.
The 'Bachelor' star opens up about his excitement for his fellow 'Bachelor Nation' stars' exciting relationship news.
They've known each other for more than a decade!
The 49-year-old performer has a lot on her plate.
Hilary Duff and longtime love Matthew Koma are taking their relationship to the next level!
The pair has been dating for nearly three years.
