Sir Rod Stewart and wife Penny Lancaster were joined by son Alistair at the WellChild Awards at the Royal Lancaster Hotel in London on Monday.The rock star, 79, cut a stylish figure in a black blazer which he teamed with pin-striped trousers and a pair of eye-catching silver brogues.Meanwhile former Loose Women star Penny, 53, who also shares son Aiden, 13, with the hitmaker, slipped into a figure-hugging leather pencil skirt and chic blouse.Alistair, 18, was also dressed to impress for the star-studded evening in a double-breasted grey suit as he towered over his famous father.The family beamed as they took to the red carpet ahead of the ceremony, shortly after Penny and Rod, who wed in 2007, were forced to shut down rumours of a marriage ‘rift’.  Sir Rod Stewart, 79, and wife Penny Lancaster, 53, were joined by son Alistair, 18, at the WellChild Awards at the Royal Lancaster Hotel in London on Monday The rock star cut a stylish figure in a black blazer which he teamed with pin-striped trousers and a pair of eye-catching silver brogues Meanwhile former Loose Women star Penny slipped into a figure-hugging leather pencil skirt and chic blouseRod is also father to to four daughters Sarah, 60, Kimberly, 44, Ruby, 36, and Renee, 32 and four sons Sean, 43, and Liam, 29, from previous relationships. On Friday Penny hit backs at claims of troubles in her marriage  as she serenaded her husband singing Greece’s Hopelessly Devoted To You.The pair have reportedly been desperately working on their 17-year marriage after Rod reneged on their plans to sell his £55million Beverly Hills mansion and return full-time to the UK.But a clip of the couple showed there was no love lost as Penny belted out a tune down the microphone while her husband lovingly watched on during the launch of Hopelessly Devoted at The Ned London.Penny was the epitome of chic, dazzled in a figure-hugging floor-length dress adorned with an autumnal floral print.For the grand evening, Penny styled her blonde locks into a voluminous bouncey blowout.As she put on a glamorous display singing the beautiful melody, Rod watched on at his wife in adoration.For the glitzy affair, Rod commanded attention in a black and silver-patterned two-piece, which he layered over a crisp white shirt and black tie. Alistair, 18, was also dressed to impress for the star-studded evening in a double-breasted grey suit as he towered over his famous father The family beamed as they took to the red carpet ahead of the ceremony, shortly Penny and Rod, who wed in 2007, were forced to shut down rumours of a marriage ‘rift’ The pair have reportedly been desperately working on their 17-year marriage after Rod reneged on their plans to sell his £55million Beverly Hills mansion and return to the UKRod and Penny were seen looking cosy at the event as they hugged one another and shared a karaoke duet.The evening was designed to celebrate the incredible bond between humans and their pets. Hopelessly Devoted was created by Mark Aldridge to help a small charity called Celia Hammond Animal Trust who are in desperate financial need.The couple were said to be desperately working on their 17-year marriage after the singer reneged on their plans to sell his $74 million Beverly Hills mansion and return to the UK.The event came after Rod promised Penny they would pack up their lives in Los Angeles for their sprawling £4million countryside estate in Harlow, Essex, after he revealed it was ‘time to leave’ the US last year.But NEWSWALLA.com reported the pair are now at a ‘stalemate,’ with Rod refusing to leave LA.  On Friday Penny hit backs at claims of troubles in her marriage as she serenaded her husband singing Greece ‘s Hopelessly Devoted To You  As she put on a glamorous display singing the beautiful melody, Rod watched on at his wife in adoration