Lauren Neustadter and Reese Witherspoon are having a big summer, with back-to-back high-profile releases: the July debut of the “Legally Blonde” prequel series “Elle” on Amazon’s Prime Video and the Anya Taylor-Joy-directed action miniseries “Lucky” on Apple TV. Both shows, which premiered just two weeks apart, are produced by Witherspoon’s media company, Hello Sunshine, which
