daughter hand on belly ??

My toddler never does this but tonight she kept placing her hand on my belly and when we were watching movies Snuggled in bed and kept her hand on my belly. All day today she has been wanting to hang all over me ( be held etc )

My question is I gave birth to her little sister 6 months ago. Her father and I are active however could this be a weird sign she senses another baby coming ? Did this happen to you ?