His wife Beyonce has only just given birth, but rapper and lyricist Jay-Z has wasted no time in penning his feelings about their princess, Blue Ivy Carter. A song called Glory made its debut on his social website two days after the new arrival was welcomed into the world. Referring to his little girl, Jay-Z touchingly sings that “My greatest creation was you” before the track ends to the sound of a baby's cries. Representatives of both singers have so far refused to confirm the birth, but the proud dad has now left no doubt that they have now become parents. In a more sombre note, the song also reveals that Beyonce previously suffered a miscarriage, saying: "Last time the miscarriage was so tragic/We was afraid you'd disappear/But nah baby you magic." Meanwhile, now that their baby has been born, the superstar couple are wasting no time in introducing little Blue to the life of luxury. Reports suggest that Beyonce has already splashed out £1million on A-list essentials including jewel encrusted high chairs and immaculately decorated nurseries. 'They’ve bought a Swarovski-studded high chair by Carla Monchen for £10,000, and a Fantasy ‘posh tots’ coach carriage crib for £30,000.” A source told Star magazine. 'They’ve got baby charm bracelets, gold and platinum diamond rattles and dummies from Tiffany & Co, too”