Reese Witherspoon.Jon Kopaloff/Getty ImagesSome celebrity-led production companies struggled in 2024 as Hollywood cut spending.Investments by firms like Blackstone and RedBird were hampered by market shifts.Despite headwinds, companies like LuckyChap could thrive by diversifying beyond their famous founders.2024 was a bad year for the TV and film business — and was particularly hard for a set of celebrity-backed production companies that previously raised large amounts of capital at eye-popping valuations.Private equity firms like Blackstone and RedBird Capital Partners poured a lot of money into celebrity-led production companies, making notable deals in 2021 to back roll-up Candle Media and LeBron James' SpringHill, respectively.