Goldie Hawn's actor son Oliver Hudson has shown off his singing skills - but it was his facial expressions that had fans stunned.MORE: Goldie Hawn and Kate Hudson stun in swimsuits during seaside family vacationThe Cleaning Lady star took to social media to share a video of him singing The Beatles' Yesterday but his over-enunciated words and expressions left fans thanking him for making them laugh.WATCH: Oliver Hudson shares unexpected video that leaves fans stunned"The facial expressions just kill me," wrote one fan as another shared: "Thank you so much for this! You made me laugh. You're a nut!.""Those expressions…" commented a third fan as many praised his skills, with one follower writing: "The final cross-eyed pull had me."MORE: Goldie Hawn's daughter-in-law shares heartfelt message to famous familyMORE: Goldie Hawn stuns in black swimsuit on beach vacation with Kurt Russell Oliver is well-known for his hilarious and candid social media posts, but in mid-July he took on a heartfelt tone as he dedicated his Instagram to his beloved mom, Goldie, and what he called, "her true legacy".Oliver shared a clip of Goldie growing emotional as she spoke on behalf of her non-profit, MindUp, which focuses on providing mental health help for children.