The actress didn't let a nasty comment ruin her day.
The 34-year-old singer got engaged to David Foster last summer.
The actress, who stars in 'Santa's Boots,' talks to ET about her family's Christmas plans and reuniting with Katharine McPhee.
The 'American Idol' alum and David Foster are currently engaged.
When it came to the biggest breakthrough in her career, McPhee's fiance stepped in to answer for her!
Foster helped out his fiancee, who was on vocal rest, at the 2019 Breakthrough Prize Ceremony.
ET caught up with the Foster sisters at day 1 of the 2018 iHeartRadio Music Festival in Las Vegas.
Erin Foster was in on the joke on Instagram.
The 'American Idol' alum is currently traveling with her fiance in British Columbia.
The 'Scorpion' star also shared some wisdom from her fiance, David Foster.
The sad news comes after the 'American Idol' alum recently announced her engagement to David Foster.
The 'American Idol' alum isn't looking for your opinions on her engagement.
The couple got engaged this week during a vacation in Anacarpi, Italy.
The comedy writer ribbed her dad over his engagement to the much younger actress, who will be his fifth wife.
