The singer and husband Jay-Z - whose real name is Shawn Carter - welcomed their first child into the world last month and the `Crazy In Love` hitmaker`s mother TIna Knowles is loving being a grandmother to little Blue Ivy Carter. Tina said: "She`s doing great. She`s beautiful. "[Being a grandma is] amazing. It`s the second best job I`ve ever had." While Tina is smitten with the baby, she is unsure just yet as to which of her famous parents the tot resembles. She added to People: "She`s only a month old. So we have to give her a minute." Meanwhile, it has been revealed that Beyonce and Jay-Z`s close friends Gwyneth Paltrow and Chris Martin splashed out on a $1,029 black Bugaboo Chameleon stroller for Blue Ivy. A source told Life & Style magazine: "It only makes sense for Beyonce to have this ultrachic stroller. Blue has the hottest ride!" Blue isn`t the only person to be given gifts since her birth - Beyonce`s manager splashed out $9,500 on two pendants for the 30-year-old star. A source said: "Her manager ordered Tacori monogram B pendants for Beyonce." According to the insider, one pendant features blue sapphires in tribute to Blue Ivy, while the other is a diamond letter B.