The singer’s latest scent will hit stores in September, and the sexy, just-released ad already has our pulses beating faster. The seductive scent — a follow-up to the singer’s perfumes Heat and Heat Rush — features notes of pear blossom, peony, midnight blooming jasmine, Madagascar vanilla and for the first time in a fragrance, bluebird orchid. “Pulse is a fragrance you can wear all the time.  The fragrance comes in an upside-down chrome-and-blue bottle, neatly tucked into a holographic carton. The bottle’s topper, a chrome cap, was inspired by her stage costumes.