Jack Black’s Wholesome Moment With This ‘Love on the Spectrum’ Star Proves Why He’s One of Hollywood’s Realest

Jack Black made a surprise appearance on The Kelly Clarkson Show and the actor's cameo certainly has a deeper meaning than what might initially meet the eye. Tanner Smith is 25 years old and from Clemson, South Carolina. He was diagnosed with autism at the age of 4 and refers to himself as 'Tanner with 'Tism' on social media, showcasing his pride and zest for life. The reality TV star is most notably known for his role in Love on the Spectrum, where he spent Season 2 navigating his first dating experiences with a woman named Kate.