Willie Nelson is preparing to celebrate his 90th birthday, and news of how he plans to celebrate has been revealed. The singer will celebrate his day with an all-star concert in L.A. at the Hollywood Bowl. Long Story Short: Willie Nelson 90 will happen on April 29 and 30, featuring performances from a who’s who of music royalty. Neil Young, Sheryl Crow, The Chicks, Snoop Dogg, Ziggy Marley, and many more will be on hand to celebrate the country legend’s birthday. What’s your fondest birthday party memory?