Gemma Arterton was worried her young son didn’t recognise her when she was filming the second series of ‘Funny Woman’. The 38-year-old English actress – who is married to ‘Peaky Blinders’ star Rory Keenan – took her 20-month-old son with her when filming the second series of the TV comedy-drama TV and was worried he wouldn’t recognise her as she dyed her hair blonde for the role. Speaking to OK! magazine, she said: “So he was with me. I dyed my hair blonde this season and it sounds ridiculous, but I was convinced he didn’t recognise me! “He’d see me for an hour or something a day, I’d be dress…