IN line at Starbucks on Spring Street at Varick this week, a redhead with wet hair and jeans got to the counter. The female cashier loudly proclaimed, “You know who you look like — that lady who used to be married to Tom Cruise. What’s her name?” The manager, making the coffee, suggested, “Nicole Kidman?” “That’s it, you look just like Nicole Kidman: tall, the blue eyes, the hair . . . anyone ever tell you that?” The redhead, clearly annoyed, quietly ordered her coffee with a discernible Australian accent.