"It's just us now," the "NCIS" actor wrote after popping the question to Amanda Pacheco.
The co-host and her longtime boyfriend, Joel Schiffman, got engaged over the weekend.
The ex-NBA star previously married to Khloe Kardashian says Parr is "the ONE!!!!"
The "Star Trek: Discovery" actor and his fiance have been together since 2016.
"Have fun planning the wedding. I'll be there for the cake tasting," the "Pitch Perfect" actor cracked.
The "Parks and Recreation" star said her beau makes her feel "happy and free."
Talinda Bennington's news comes two years after Chester Bennington died by suicide.
Hyland, a self-proclaimed "Bachelor" fanatic, first connected with the reality TV star on social media.
The Houston Texans star called himself "the luckiest man in the world" after soccer pro Kealia Ohai said yes.
"Shout-out to Jay Z and Beyonce for being them," the journalist wrote on Twitter.