By STEPHANIE ALLMON, KEELI GARZA and JENNIFER FLOYD ENGEL First came Bride Wars, then we were New in Town, last weekend we saw He’s Just Not That Into You and today, we’ve got Confessions of a Shopaholic — ladies, we’re in the midst of prime chick-flick season!And we rom-com fans love it, as evidenced by box-office numbers (He’s Just Not That Into You pulled in $27.8 million and debuted at No.