Amazon CloudWatch launches cross-account Metric Streams

Amazon CloudWatch announces support for cross-account Metric Streams. With Metric Streams, you can create a continuous, near real-time stream of metrics to a destination of your choice. With this new capability you can include metrics that span across multiple AWS accounts within an AWS region in a single Metric Stream. This helps to reduce the number of streams needed to collect metrics for a common destination. 

Source:: Amazon AWS