Katharine McPhee, 38, and David Foster, 73, play Rodeo Dr lighting ceremony

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Katharine McPhee, 38, and her music mogul husband David Foster, 73, looked loved-up as ever at the Rodeo Drive lighting ceremony in Beverly Hills on Thursday.The dynamic duo, who are releasing a Christmas album in a couple of weeks, regaled the audience with some seasonal numbers at the event.David provided his wife with piano accompaniment as she belted her way through her setlist modeling a Santa hat.

Cozy and clinging: Katharine McPhee, 38, and her music mogul husband David Foster, 73, looked loved-up as ever at the Rodeo Dr lighting ceremony in Beverly Hills on ThursdayThrowing herself into the spirit of the season, Katharine hopped on top of her husband's white Yamaha piano and crossed her dancer's legs.The pair dressed in basic black, striking an elegant contrast to their colorful outdoor set, which included a fully lit Christmas tree.

Recently Katharine candidly discussed her efforts to keep the spark alive with David, revealing that a touch of alcoholic lubrication helps on her end.''I'll have a glass of wine – he doesn’t drink – and we just talk,' she told Fox. 'That’s our time together that we always make sure to have.' Making it happen: The dynamic duo, who are releasing a Christmas album in a couple of weeks, regaled the audience with some seasonal numbers at the eventShe spilled: 'There's always something to talk about whether it’s our family, our son – it’s our time, We just want to reconnect.' However she insisted there is 'nothing extravagant about what we like to do,' sharing that she and David 'love going to a movie or having dinner together.'Meanwhile a few weeks ago David declared he has no misgivings about welcoming a baby in his 70s with Katharine, his fifth wife.The pair of them tied the knot in.