McPhee popped the question after dating the Spice Girls star for three years.
Friday's Casamigos Tequila Halloween party also saw the likes of Wiz Khalifa, Rebel Wilson, Kaia Gerber and more.
The pair met on season 5 of the reality show in 2018.
The actor spoke to Diane Sawyer ahead of the release of his memoir, 'Friends, Lovers, and the Big Terrible Thing.'
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Friday, Oct 28.
Matthew Perry opens up about his struggles with addiction in a new interview with Diane Sawyer airing Oct. 28 on ABC.
A source tells ET, Gisele Gisele Bündchen and Tom Brady worked on the terms of their divorce settlement with a mediator.
The Speaker of the House's husband, Paul Pelosi, was attacked by an intruder early Friday morning.
The actress addressed her split from the basketball star during appearances on 'The Breakfast Club' and Alex Cooper's 'Call Her Daddy.'
'The Shining' actress is set to star in an upcoming indie horror-thriller titled 'The Forest Hills.'
Rock 'n' roll icon Jerry Lee Lewis has died. He was 87. Lewis' publicist confirmed to ET, the singer died in his Tennessee home.
Jennifer Aniston gets emotional over Matthew Perry’s struggles with addiction in a newly unearthed interview from 2004.
Tom Brady and Gisele Bündchen have called it quits. On Friday, the two announced the news on Instagram.
Kim went all out with her kids' fab costumes!
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