diff --git a/moto/ec2/responses/key_pairs.py b/moto/ec2/responses/key_pairs.py
index fd0a35fe..bcb4e5ed 100644
--- a/moto/ec2/responses/key_pairs.py
+++ b/moto/ec2/responses/key_pairs.py
@@ -1,3 +1,4 @@
+from jinja2 import Template
 from moto.core.responses import BaseResponse
 
 
@@ -9,7 +10,15 @@ class KeyPairs(BaseResponse):
         raise NotImplementedError('KeyPairs.delete_key_pair is not yet implemented')
 
     def describe_key_pairs(self):
-        raise NotImplementedError('KeyPairs.describe_key_pairs is not yet implemented')
+        template = Template(DESCRIBE_KEY_PAIRS_RESPONSE)
+        return template.render(keypairs=[])
 
     def import_key_pair(self):
         raise NotImplementedError('KeyPairs.import_key_pair is not yet implemented')
+
+
+DESCRIBE_KEY_PAIRS_RESPONSE = """<DescribeKeyPairsResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
+    <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId> 
+    <keySet>
+    </keySet>
+ </DescribeKeyPairsResponse>"""