How can I get bigger battocks and hips on my body...

Is there any cream or tablet to increase battocks and hips size ?
there no medically effective cream or tablet to increase battocks and hips size because of :
1. creams are usually ineffective in such as case 
2. tablet may be effective , but it have huge side effects such as hormonal imbalance or increase overall weight 
Possible safe ways to increase battocks and hips size :
1. increase weight in general 
2. then start doing exercises that are directed to battocks and hips area 
3. also you can use the machines that always activitating butt muscles 
- stick to this plan for around 4 - 6 months to get results 
Surgical options to increase battocks and hips size ?
1. botox injection
2. filler injection
3. self-fat transfer
What is the cost of such a surgeries or beauty options ?
1. botox : 3000 - 6000 $ 
2. filers : 2000 - 4000 $ 
3. self fat transfer : 2500 - 5000 $