One baby boy 's set to be showered in lots of pink after a sonographer guessed his sex wrong . Kyle and Danielle Williams from Belleville , Michigan , had even picked out the name Charlee for their second daughter . But when the infant was delivered via C-section on March 3 they got a big surprise . After coming to terms with the wrong gender prediction , the couple filmed themselves breaking the news to family during hospital visits . They uploaded footage online this week in a bid to share the mix-up with the wider community . In one scene , one of the baby 's grandmothers walks in to do a diaper change , when she 's suddenly left speechless . Scroll down for video . It 's a boy ! Kyle and Danielle Williams from Belleville , Michigan , filmed the moment they told family that they had a boy instead of a girl as an October sonogram predicted . Are you kidding ? In one scene , one of the baby 's grandmothers walks in to do a diaper change , when she 's suddenly left speechless . 'Well child welcome to the world ... I ca n't believe it ! ' she says as she stares down at the baby 's naked body . She is seen opening her mouth wide and doing a double-take . In the next scene , the baby 's other grandmother finds out that he is boy and not a girl . 'It 's a boy ? You guys are not joking ? ' she exclaims as she stands by Mrs Williams ' bedside . Later the new mother tells her sister about the unexpected sex of her baby via Skype . Caught on camera : In the next scene , the Williams baby 's other grandmother ( far left ) finds out that he is boy and not a girl . Caught off-guard : Later the new mother tells her sister about the unexpected sex of her baby via Skype . 'Are you kidding ! Oh my God ! Oh my goodness ! Yey ! ' the new aunt continually exclaims after putting her hand over her mouth . The Williams ' swiftly changed the name of their baby to Bentley Thomas . Other than the gender confusion , he was deemed well and healthy , weighing 7lbs 5oz . 'This is Bentley , your baby brother , ' the Williams ' later told their other daughter , Peyton , who seemed a little confused about the situation . 'Why ? ' the two-year-old quipped as she was introduced to her new sibling . Besides having to 'de-pink ' Bentley 's baby room and closet , the Williams say life could n't be better . Mix-up : Dr. Lisa Masterson , an OB/GYN from Los Angeles , California , told Inside Edition that getting the baby 's sex wrong is more common than people think when sonograms are involved . They concluded : 'Getting to break the shocking news to our families was priceless . ' Dr. Lisa Masterson , an OB/GYN from Los Angeles , California , told Inside Edition that getting the baby 's sex wrong is more common than people think when sonograms are involved . 'There are multiple things that factor into the accuracy of the ultrasound , ' she explained . 'The fluid that 's around the baby , because there 's less fluid then everything is kind of squished up and you ca n't delineate all the borders . 'The position of the baby . If the legs are crossed and you ca n't really see if there 's a penis or not . ' Doting dad : The Williams ' swiftly changed the name of their baby to Bentley Thomas . Mommy 's girl : They concluded : 'Getting to break the shocking news to our families was priceless '
Kyle and Danielle Williams from Michigan , Belleville , had even picked out the name Charlee for their second daughter . But when the infant was delivered on March 3 they got a big surprise . They decided to film the moment they broke the news to family . In one scene , one of the baby 's grandmothers walks in to do a diaper change , when she 's suddenly left speechless .