Rod Stewart 's youngest sons, Alastair and Aiden , looked so grown up in a sweet snap shared to social media , which showcased the boys' close bond with their rocker father. Alastair, 19, donned a pair of gingham pants and a partially-unbuttoned black shirt in the photo, with gold chains underneath and his brunette locks slicked back into a bun.

Rod looked content backstage sitting between his sons on the lounge, as he laid a hand on Alastair's shoulder and another on Aiden's knee. The 14-year-old wore blue jeans, a white tee and a black jacket as he hugged his dad, who sported a loose blue shirt and his signature stack of necklaces.

© Instagram Rod looked content backstage with his sons Aiden and Alastair

Alastair also included a clip from Rod's show in Buenos Aires, Argentina

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