Photo: Charley Gallay/Getty

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Katharine McPhee‘s wedding gift to newlywedErin Foster? A personal performance!

TheAmerican Idolseason 5 runner-up, 35, attended her stepdaughter’sNew Year’s Evenuptials on Tuesday night alongside husbandDavid Foster(Erin’sGrammy-winningfather) and numerous other friends and family members of the bride and her new husbandSimon Tikhman.

As seen on the Instagram Stories of the social media platform’s Vice President of Global PartnershipsCharles Porch, during the evening, McPhee serenaded guests during what appeared to be the reception portion.

Other guests in attendance included Erin’s dad David, 70, mother Rebecca Dyer and her older sister and business partner,Sara Foster. Additional famous faces on hand to celebrate includedRachel ZoeandJonah Hill, as well as makeup artistAliana Lopez.

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Charles Porch/Instagram

Katharine McPhee

Kate Hudson (R) performing at Erin Foster’s wedding.Charles Porch/Instagram

Katharine McPhee

Erin Foster’s wedding.Charles Porch/Instagram

Katharine McPhee

Jonah Hill at Erin Foster’s wedding.Charles Porch/Instagram

Katharine McPhee

Bumbleentrepreneur Erin and businessman Tikhman — who started dating in August 2018 and got engaged one year later — tied the knot in Nashville, Tennessee.

For the nuptials, Erin wore a long-sleeved white dress with an open back and her hair in a chic updo, as seen in footage shared to Lopez’s Instagram Story.

Wedding guests stayed at the Graduate hotel and the ceremony was held at a house about 40 minutes away,where Erin’s father walked her down the aisle.

Lopez’s Instagram videos also showed the newlyweds having what appeared to be their first dance and being lifted into the air for the Hora, a common traditional chair dance at Jewish weddings.

Pallavi/Instagram

Erin Foster Rehearsal Dinner

RELATED VIDEO: David Foster’s Daughter Calls Katharine McPhee ‘Amazing’ After Pair Spotted Walking Arm-in-Arm

Erin and McPhee seem to have a close relationship, if a comment the comedy writer and Barely Famous star left on her dad’s Instagram in summer 2018 is any indication.

“Mommmyyy,” she jokingly addressed McPhee, alongside a sea of heart emojis following news ofthe singer’s engagement to David. Erin also previously posted on her Instagram Stories, “Excited about my new stepmom.”

Charley Gallay/Getty

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In all seriousness, Erin — who attended thewedding of her father and McPheethis past June — has praised McPhee as “amazing,” telling PEOPLE in 2017 amid reports the two were dating, “I really like her. She’s awesome.”

Erin continued, “My dad is kind of a hopeless romantic, and Katharine’s awesome. Wereally, really like her, and we’ve known her for a really long time. And if he’s happy, we’re happy.”

source: people.com