Celebrity·Posted on Jul 7, 2018Katharine McPhee Just Shut Down Haters Over Her Engagement To David FosterYou tell 'em, sis!by Shyla WatsonBuzzFeed StaffLinkFacebookPinterestTwitterMail As any SMASH fan will tell you (before ranting about how our beloved show was cancelled well before its prime), this is Katharine McPhee. View this photo on Instagram Just last week she became engaged to her now-fiancé David Foster. The pair have been dating since last May. Kat confirmed their engagement with a single emoji on Twitter, along with a gif of Ariana Grande saying, "And what about it?" Kat McPhee @katharinemcphee 💍 05:03 PM - 03 Jul 2018 Reply Retweet Favorite But, instead of letting her enjoy her engagement bliss, people have been criticizing the Waitress star. Rude. But, the American Idol alum was 👏 not 👏 having 👏 it 👏, and shut down the haters with one brilliant tweet. Kat McPhee @katharinemcphee y’all should be worrying more about registering to vote and midterm elections than who’s marrying me. thank you for coming to my TED talk. 10:44 PM - 06 Jul 2018 Reply Retweet Favorite And that's that on that! Tap to play GIF Tap to play GIF Congratulations on your engagement, Kat! ❤️❤️❤️ View this photo on Instagram