Brooklyn Beckham took to Instagram to share the news with his 12 million followers on the micro-blogging site. ‘Two weeks ago I asked my soulmate to marry me and she said yes xx I am the luckiest man in the world. I promise to be the best husband and the best daddy one day. I love you baby xx’ the 21-year-old wrote in a gushing tribute to the 25-year-old actress.