Britney Spearslooked ready for spring as she appeared on Instagram in a plunging floral dress on Wednesday.The pop star, 40, uploaded a video of herself modeling the feminine garment beneath a tree in the backyard of her Thousand Oaks home.'I’m ALIVE … heartbeat,' captioned Britney, who set her video to the tune ofDom La Nena's trackOiseau Sauvage. Flirty in floral:Britney Spears looked ready for spring as she appeared on Instagram in a plunging floral dress on Wednesday Strike a pose:The pop star, 40, uploaded a video of herself modeling the feminine garment beneath a tree in the backyard of her Thousand Oaks homeThe song, which features lyrics in Spanish, Portuguese and French, opens with the sound of a heartbeat.Britney's frilly dress had puffed sleeves and a ruffled skirt that swayed around as she posed with her hands over her stomach.
