Wham! was a British pop duo formed in 1981, consisting of George Michael and Andrew Ridgeley. They became one of the most successful acts of the 1980s, known for their catchy tunes and vibrant style. Their hit 'Wake Me Up Before You Go-Go' topped charts worldwide, and 'Last Christmas' remains a holiday classic. Wham! was known for their energetic performances and youthful image, capturing the spirit of the era. After disbanding in 1986, George Michael went on to have a highly successful solo career, while Ridgeley pursued other interests. Their legacy continues to influence pop music today.