Ellise Shafer SPOILER ALERT: Do not read unless you have watched “Look Both Ways,” streaming now on Netflix.When Lili Reinhart got the call to star in and executive produce her first Netflix film, the “Riverdale” actor was all-in. With the popular CW series set to end next year after seven seasons, the 25-year-old is ready to re-establish herself outside of the beloved character Betty Cooper, and “Look Both Ways” marks the beginning of that next chapter.The dramedy, out Wednesday on Netflix, follows Natalie, an ambitious woman who takes a pregnancy test on the eve of her college graduation.