Khloé Kardashian’s daughter True Thompson is ecstatic about being a big sister.

The newest member of the family was birthed with ex Thompson via surrogate.

According to an E! News source, the reality star is thrilled as this was a dream come true.

The source also shared that True had smoothly transitioned into a big sister and was handling the role pretty well.

She has been involved in feeding and diaper change of her baby brother.

The business mogul has been open about her desire to expand her family unit.

Her quest to get more children was documented on “Keeping Up With The Kardashians.”

An E! News insider shared that Thompson and Kardashian aren't back together.

Kardashian was "incredibly disappointed" in Thompson after news of his cheating broke.