United Kingdom, Oct. 18 -- Khloe Kardashian doesn't know if she has the "bandwidth" to expand her family.

The 42-year-old reality TV star already has True, eight, and Tatum, four, with ex-partner Tristan Thompson - but Khloe has downplayed the possibility of having another child.

Khloe - who has been celibate for nearly five years now - said on The Kardashians: "I do believe every girl needs a sister. I personally would love another daughter. But also, I'm getting older and it's a lot. I don't know if this is something I can handle."

Khloe explained that her "ideal" situation is for her to "be with someone else and not necessarily have kids with that person".

The TV star - who has frozen embryos in storage - said: "I don't want me and...