Legions of Barbie-core and biopic fans descended onto theaters this weekend for the “Barbenheimer” box office phenomenon, but one pink-plastered performance, in particular, came out on top. Greta Gerwig’s Barbie has already smashed several records, raking in $155 million domestically over the weekend — the highest US opening ever for a film directed by a woman — beating the previous $153 million achieved by Anna Boden’s Captain Marvel.
“The massive, overwhelming response we’ve…