Ouch! Brooklyn Beckham is celebrating a momma in his life... but it ain't Victoria Beckham! On Sunday, the 27-year-old took to Instagram to honor his mother-in-law Claudia Peltz on her 71st birthday. On his Story, Brooklyn shared a photo of himself posing with wife Nicola and Claudia and wrote: "Happy birthday to the best mother in law x love u so much and hope u had the most amazing day " Related: Did Nicole Kidman's Daughter Sunday Rose Just Shade Dad Keith Urban After Divorce? See the photo on the second slide (below): View this post on Instagram A post shared by ???????????????????????? (@...