Katharine McPheeis paying tribute to her husband-to-be.
Hours before theAmerican Idolalum, 35, is set to wed musicianDavid Foster, she shared a throwback video on Instagram of herself performing “Somewhere Over The Rainbow” with Foster accompanying on the piano.
“Exactly 13 years ago today my very first single, Somewhere Over The Rainbow, was released right afterIdol,” she wrote. “Today… I’m marrying the man who produced it. Life is full of beautiful coincidences, isn’t it?”
“Thank you for taking me over the rainbow, David,” she concluded her sweet message to Foster, 69.
The couple first met in 2006, when McPhee was a contestant on the fifth season ofAmerican Idoland Foster served as a mentor. After reconnecting, theygot engaged last Julywhile they vacationed in Anacapri, Italy.
McPhee sang “Somewhere Over The Rainbow” during the season 5 finale ofAmerican Idol, where she came in second to winnerTaylor Hicks.
Katharine McPhee and David Foster.Dimitrios Kambouris/Getty

The bride-to-be also shared some of her wedding beauty prep on the morning of her big day, postingan Instagram Story of herself getting a facial.
“The secret to a calm and collected bride,” she captioned the video. “And maybe a little Xanax.”
On Friday, just before the ceremony, her soon-to-be daughter-in-law Erin Foster, 36, shared a video to her Instagram Story featuring herself and her family dressed up in the car, winking playfully at the camera. Sister Amy Foster, 45, who wasrecently diagnosed with breast cancer, also shared a video of herself receiving an IV drip. “She ready for the wedding!”
When it comes to McPhee’s fashion for the big day, it appears that her friendZac Posenmay have designed her a custom wedding dress.
On Thursday, the designer shared a photo of himself with McPhee and songwriter Carole Bayer Sager. “Fun times in London,” he captioned the photo, also including the bride emoji.
Courtesy Katharine McPhee/Instagram

Zac Posen/Instagram

This will be the second marriage for the singer, who was previously married to Nick Cokas, and the fifth for Foster, who was most recently married toReal Housewives of Beverly HillsstarYolanda Hadid.
Ahead of their nuptials, the couple has been embarking on a trip across Europe, posting photos inMykonos, Greece, and Lake Como, Italy.
Katharine McPhee.Katharine Mcphee/Instagram

“We’re so happy and proud of each other,” McPhee gushed to PEOPLE in May.
Last fall, she shared a similar sentiment,telling PEOPLEin September, “We genuinely love and respect each other and have for a very long time.”Foster added that despite his and McPhee’s age gap, they bonded over being in the music industry. “We understand each other,” the Canadian songwriter said.
McPhee added of their relationship, “It doesn’t make sense to a lot of people, but it does to us.”
source: people.com