Despite a strong lead performance by Jasmine Amy Rogers, fun songs and nifty designs, this cartoon of a show remains stuck in two dimensions.

It's "boop-oop-a-doop" for a musical that needs a good spritz of Pooph from David Foster, making his Broadway debut.

Unlike Barbie, who has had a ubiquitous cultural presence for decades, Betty Boop is a Depression-era cartoon character of a jazz-age flapper, and in looks, attitude and style, she is of her time ...